KymcoForum.com
Scooters - 50cc => Agility 50 => Topic started by: whiteknight on May 05, 2012, 01:15:35 AM
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Right after many MANY months of homework and planning and sorting where im getting the bits from i have finally sussed it all.
heres my goodies list:-
Naraku 80cc kit
Naraku race clutch
Naraku 18.5mm Carburettor
Either a Naraku or Leo Vince exhaust
Sports/race camshaft
HD Crank
K&N Air Filter
Iridium spark + High voltage ignition coil
these parts my mate Albert suggested:-
Racing fan
Valve stem oil seals x2
tensioner gasket x2
84/85/86 jets
2000 rpm torque spring
let me know what you think so far, if i have missed anything let me know or if you have any suggestions.
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oooook 21 views and no replies.... must mean i have averything covered then ;D roll on next week.
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oooook 21 views and no replies.... must mean i have averything covered then ;D roll on next week.
You just closed the store. You need rum tho...
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...i just now saw this bro...get back with y, but i gotta roll out now...
peace
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...i just now saw this bro...get back with y, but i gotta roll out now...
peace
no worries man.
You just closed the store. You need rum tho...
mmm rum, i could always zip to SPAR and grab me a bottle of captain morgans.
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Reckon the main jet will be into the 90's in size on the open filter. I tried an 88 and it wouldnt get over 15mph, it just died and bogged down, i got about 10-14 jets here i bought over the last month from 82- 120 ::)
Got sidetracked away from the open filter with my belt destruction issue so i put it on hold and refitted my stock airbox for now. I finally sorted my belt prob tho now, i think, so plan on tunin in the open filter again soon. Reckon i need somewhere between a 92-96 now, which i have but just didnt try yet.
Let me know when your doin the jetting and if you want any jets i can post you some down if you want? if i got the size u need and i dont need it myself then you can keep it and post me the rest back up? Saves you spending out and havin a load of useless jets sitting there like me lol :D
Also 2000rpm torque did not work on my A50, no matter what roller weight i tried it was terrible. I actually lost speed going uphill instead of gaining, and i mean lost it, 5-10 mph slower :o Course if you run the 80cc kit it may work then, i am still on 50cc's. Why not buy the 3 set of springs, 1000, 1500 & 2000? 1500 is my fave on 5.5g rollers, with the 80cc kit it will prob work out differently tho i guess? I got a red 2000rpm spring somewhere in my garage, if your not in a rush for it i can look next time i get around to having a clean up and send you it if i find it, its no ise to me anyway, think i threw it off the back wall somewhere in disgust lol :D
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You guys got this!
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cheers Streido, yea when i get the bits through the post ill send you a mesg on here with my address. would be real handy and i really appreciate it man :) i know theres gonna be alot of fart arsing around while trying to get it running sweet. i have a mate who lives not too far away and he's gonna be giving me a hand with it all as he has had quite alot of experiance tuning these engines. i will keep you all updated on the goings on and how everything is working out, not forgetting pics of the process.
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..that 2000 might work...with an 80...i'm going to try one in my 75cc ppl build...
..dont think i've ever seen a successful 80cc kit go on an a50 in this forum....
;)
...zombie?...your cc?
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i will be the first man trust me.... i will have a 80cc monster a guilty..80 lol me and Albert will tinker and get it running as smooth as. i might be the first on the forum!! im quite excited, plus i have had afew bevvies lmao.
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87cc on a GY6 China engine. OEM pipe, and a 20mm OEM type carb. The only other thing changed is a set of DR Pulley 8gr sliders. Before I took off the speedo it was running 57mph, and cruised real nice at 50. It's not much quicker than 49cc but a lot more pull to it, and a better top end. It used to top at 42-43. Oh yeah the Biggest difference is the up hill. It would fall to 15-20 up small hills, and now there is NO loss as long as I twist it up to keep speed. I have about 100.00 bucks into it.
Do yourself a GIANT favor... Clean up the piston. Mine had Razor sharp 90* skirts, and a sand cast finish on the piston crown. I used a belt sander with 220 grit to get out the casting marks, and 22.5* beveled the skirts to allow the oil to force between the piston/cylinder vs scraping it off the cyl. walls. I would also use emory paper, and a thick pane of glass to verify the head, and jug are machined flat. Mine was NOT. There was a .002" gap between the cylinder, and the timing chain housing. I block sanded that flat on the glass, and used two base gaskets to keep the piston from hitting the head.
Install a new oil pump, and take your time on breakin. Mine took almost 250 miles before the rings stopped chattering. Besides one burnt exhaust valve it has been fine. I reused my 49cc head, and am having valve seats installed in the 50mm head. The 49cc head works fine too. No real difference except for a tiny bevel in the 50mm that the extra base gasket took care of anyway. All together I have about 3/12-4hrs into it.
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I would also use emory paper, and a thick pane of glass to verify the head, and jug are machined flat.
..damned good idea!!!..never thot of that method....
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yea good thinking zombie.. but what do you mean by jug? obviously i know what the head is but i dont know what the jug is.. i'll take your words of advise and use em wisely. the kit im getting (80cc kit) comes with the piston gaskets and everything else. will make sure to check the piston rings and such if i need to finish there job for them.
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Jug=Cylinder
Forgot to mention the end gap on the rings. Set the top one to .006", second down to .004", and the oil rings to ,002".
If they are SLIGHTLY bigger OEM that is ok on a 4t but NO smaller
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Ps. I sprayed the glass, and paper with PB Blaster. It keeps the paper stuck flat, and helps cut the aluminum quickly. Just re spray to remove any aluminum that builds up.
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...i cant take the PB aroma...
..i use Knocker-Loose!!...
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Baby oil in a spritz bottle. Any light weight oil is fine
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... Why would you want to use a smaller carb?
The original is made for the 80ccm motor, and this is why it is 20mm :)
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... Why would you want to use a smaller carb?
The original is made for the 80ccm motor, and this is why it is 20mm :)
hmmm didnt know that then again i could go for one thats bigger still. either way i want to get rid of the old one. just had a flick through the service manual and it says venturi dia mm 20, but then i heard on the newer Agilitys they put a smaller Dia Carb on.....f***ed if i know.. :-\
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hmmm didnt know that then again i could go for one thats bigger still. either way i want to get rid of the old one. just had a flick through the service manual and it says venturi dia mm 20, but then i heard on the newer Agilitys they put a smaller Dia Carb on.....f***ed if i know.. :-\
I'll measure my carbs the next time im able to then, but i'm pretty sure that both my 2008 and my 2010 are near to identical, because the only diffrence i've been able to find are some markings in the bottom of the swimmer housing. :)
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The carbs they install oem are 19mm. I used a 20mm of the same type. Just a silly little mm longer
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The carbs they install oem are 19mm. I used a 20mm of the same type. Just a silly little mm longer
might just go for a larger carb and de-restrict the exhaust and plonk a open air filter on it, then play with jet sizes untill i get it runnin proper.
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That's what we do!
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see im not the noob i used to be, im getting to know things now and what to do.
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...my 08 carb has a 18mm venturi...i measured it...
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thats what albert said to me. either way i'll just get a big arse carb and fettle the zuast and slap the open filter on there...not forgetting the re-jet
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Too big is a no no on 4t's you will lose low end torque if you go over 20mm. It's like sucking the air out of a room using a sewer pipe vs a straw. There is no velocity. A smaller carb has more velocity, and pulls a better charge from the jets. Anywhere from 19-22mm is good depending on the pipe.
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well i can either go with the 18.5 mm naraku carb or a motoforce racing 19mm carb.
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...i ran a 20mm cvk on my a50 for a while...loved it!!!
..then i started having issues..and swapped it out with oem...carb was not the problem, but a clogged exhaust..
..i left the bowl open on the 20mm, and the rubber seal shrunk so much that i couldnt get it to fit in the grooves...
..never did get a replacement.....
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http://www.ebay.com/itm/50CC-SCOOTER-CARBURETOR-CARB-GY6-QMB139-4-STROKE-ENG-/261000093637?pt=Other_Vehicle_Parts&hash=item3cc4d15fc5&vxp=mtr (http://www.ebay.com/itm/50CC-SCOOTER-CARBURETOR-CARB-GY6-QMB139-4-STROKE-ENG-/261000093637?pt=Other_Vehicle_Parts&hash=item3cc4d15fc5&vxp=mtr)
Parts carb. Cheaper than the parts
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http://www.ebay.com/itm/50CC-SCOOTER-CARBURETOR-CARB-GY6-QMB139-4-STROKE-ENG-/261000093637?pt=Other_Vehicle_Parts&hash=item3cc4d15fc5&vxp=mtr (http://www.ebay.com/itm/50CC-SCOOTER-CARBURETOR-CARB-GY6-QMB139-4-STROKE-ENG-/261000093637?pt=Other_Vehicle_Parts&hash=item3cc4d15fc5&vxp=mtr)
Parts carb. Cheaper than the parts
+1 zombie.. do well :)
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might just go for a larger carb and de-restrict the exhaust and plonk a open air filter on it, then play with jet sizes untill i get it runnin proper.
De-restrict the exhaust? :S
I've never heard of a restriction in this exhaust, but if you'd like an exhaust which lets alot of air go out, go for Leo Vince LZ 7470. It sounds great, and it even has a real restriction, which you can remove with a screwdriver and a hammer. :)
But dont drive with the restricted boss with the Leo Vince exhaust. Not because it will hurt your engine, but it WILL hurt your ears and drive you crazy xD
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De-restrict the exhaust? :S
I've never heard of a restriction in this exhaust, but if you'd like an exhaust which lets alot of air go out, go for Leo Vince LZ 7470. It sounds great, and it even has a real restriction, which you can remove with a screwdriver and a hammer. :)
But dont drive with the restricted boss with the Leo Vince exhaust. Not because it will hurt your engine, but it WILL hurt your ears and drive you crazy xD
well i was considering going for the leo vince, i do like the look of it. as for a boss restriction...that went ages ago when i first derestricted the bike ;)
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well i was considering going for the leo vince, i do like the look of it. as for a boss restriction...that went ages ago when i first derestricted the bike ;)
Mine did too, but this week there are razzia against fast 2-wheelers, so its back in, and since the sound from the exhaust is no longer "behind" me, its driving me crazy. :D
I'll try to record the sound of the Leo Vince soon so you can hear it. ;) Unfortunately, the sound will often top out the microphone on most recorders, but it might give a hence of what it sounds like on a 50 cc, and it will problably sound even better on a bigger engine and with the restriction out. ;)
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i dont care much for the police around hear as i live in britain. we are not really suposed to derestrict them and all bikes on L plates can go no faster than 30 mph according to the law, but everyone does it anyway and the cops couldnt care less. the exhaust should sound really good with a 80cc kit, just doing sum last minuet sourcing so when my dad dumps the money in the account i can just order everything. then its a trip to alberts house to get everything fitted.
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i dont care much for the police around hear as i live in britain. we are not really suposed to derestrict them and all bikes on L plates can go no faster than 30 mph according to the law, but everyone does it anyway and the cops couldnt care less. the exhaust should sound really good with a 80cc kit, just doing sum last minuet sourcing so when my dad dumps the money in the account i can just order everything. then its a trip to alberts house to get everything fitted.
Usually, most of them dont care either, and especially not when i've got my mirrors on and a big 4-stroke, but when theres a razzia, they are forced to check ALL bikes they see. :/
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ah right, its not really the same deal here though. to police, pulling a scooter for engine parts which "may" be on there would be too much paperwork for them, they would much rather you go about your business and be sensible about it, if you aint a problem then you create less paperwork for them to fill out, keeps em happy. the only people i have to worry about are the VOSA (Vehicle and Operator Services Agency) if they find your bike or car below standard they can have it seized and towed away.
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police, pulling a scooter for engine parts
...thank you lord, for bearing me up in north carolina....
::)
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I have had the conversation on the side of the road... It is modified but it is still under 35mph. BUT it gets to 35 in 1.7 seconds. Wanna try?
Ok there bud... Have a great day. Hey... Where do you get those?
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..made me late for work one morning...
.."look at those tires!!..if thatsa 150 imma have it towed!"
.."okay, but she's a 50"....
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im quite thankfull that cops over here dont like paperwork, means i can have a blast. just hope i dont get pulled for the speeds im pulling (or will be pulling)
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Most cops here wont hassle you unless you ride dangerously or reckless. Once you get past 20 then they tend to leave you alone if you ride wearing proper gear and dont razz about mental (too much). They only hassle younger kids cos tbey know many of them will have no license or insurance etc so they use any excuse to pull them. I got pulled last month but as soon as i raised my visor and they saw i wasnt a teenager they were fine with me, we ecen had a chat about scootering which was nice ;D
Back on topic please >:(
Theres a Naraku UK site? Did u see it? http://www.naraku.co.uk/transmission/drive-belts/139qma-b-kymco-cylinder-kit-4-stroke-90cc-race-cylinder-and-head-kit.html (http://www.naraku.co.uk/transmission/drive-belts/139qma-b-kymco-cylinder-kit-4-stroke-90cc-race-cylinder-and-head-kit.html)
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ah nice one mate ;D been looking for this site all i kept getting was the main taiwaneese page and from there it sent me to central scooters for parts (which they dont have in stock, saying that most of there range was out of stock!!) do well for finding it. they have rear shocks :o brilliant...once i gather a bit more money im gonna do abit more spending....its like finding the "Treasure of Big Whoop"
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http://www.racing-planet.de/ (http://www.racing-planet.de/)
http://www.racingplanetusa.com/ (http://www.racingplanetusa.com/)
Denmark, and USA
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http://www.racing-planet.de/ (http://www.racing-planet.de/)
http://www.racingplanetusa.com/ (http://www.racingplanetusa.com/)
Denmark, and USA
.de is Germany, as the german name for it are Deutchland. :)
Denmark is .dk
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Those Germans go mental on Scoots of all sizes. I've seen some wild and wacky creations from Gerryland, they have no worries spending top dollar for top equipment and parts over there. Germans like perfection and all that.
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Those Germans go mental on Scoots of all sizes. I've seen some wild and wacky creations from Gerryland, they have no worries spending top dollar for top equipment and parts over there. Germans like perfection and all that.
You should see their cars then. :D
Some of them live in the lousiest tiny houses, because they've spended all their money on a mercedes or sh** like that :D
German and motors is a true pair. ;)
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Right i have placed my order with scooter attack, Central scooters was hopeless and just seem to be out of stock 90% of the time i did manage to get a iridium plug out of em though. gonna wait a while to see if they get sum stock bk before i get the rest of the parts. i did get the majority of the parts from scooter attack. as soon as i get em through the post i shall be busy posting pics n here aswell as pics of me and albert fitting all the parts, should be like a story with pictures showing the trials and tribulations we will go through to get this working like a treat.
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Standing by to stand by Sir!
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right!!! i have ONE part so far....its the Iridium spark plug...just checked UPS to see where the rest of the parts are and they are currently in germany, so they should be here monday ;D
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quick update on the parts.... i have just checked UPS and my parts are in norwich and should be delivered on monday. still need to get hold of a Crank and camshaft aswell as other little bits and i dont really want to start work on it untill i have all the parts i need, will be better to break all the parts in at the same time rather than here and there.
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Are you near a SIP scooter shop! They are all over the UK
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i am now on there site, all i need is a cam and crank a couple of valve stem oil seals and afew other bits. the ups package is on its way aswell i'll be gald when that fuc*er gets here.
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right i now have the parts...i now have my 72cc race cylinder kit, sports carb, sport crank, polini air filter, performance exhaust, high voltage HT lead and a iridium spark plug. the only thing left to get depending on the condition of the original is the camshaft but apart from that all i have to do now is get hold of my mate so we can fit the bits. expect ALOT of pictures in the next week or so. btw Wordslinger if your reading this which no doubt you will be, how do you go about tuning a exhaust with an expansion chamber? i saw one of your youtube vids and a saw a scoot with a expansion chamber just didnt know if you knew how to go about getting the best from it.
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No worries on the pipe. Exp. Chamber pipes are a gimmick on 4t's. They are just for looks. The way an Expan. Pipe works is to push the expelled charge back into the exhaust port at pre set rpm's. You have no port so no pushing is needed.
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Exp. Chamber pipes are a gimmick on 4t's. They are just for looks
...true that... ;)
...get you a good 4t drag pipe if you really wanna blow it out!!!..
:o
...i gotta cpl vids out there of pipes, but they all 2t....
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No worries on the pipe. Exp. Chamber pipes are a gimmick on 4t's. They are just for looks. The way an Expan. Pipe works is to push the expelled charge back into the exhaust port at pre set rpm's. You have no port so no pushing is needed.
http://en.wikipedia.org/wiki/File:Arbeitsweise_Zweitakt.gif (http://en.wikipedia.org/wiki/File:Arbeitsweise_Zweitakt.gif)
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"Arbeitsweise Zweitakt"
Yeah! That too...
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well thats settled then :D lets get this show on the road. btw it is a very nice looking pipe, my agility is gonna look goooooood.
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well thats settled then :D lets get this show on the road. btw it is a very nice looking pipe, my agility is gonna look goooooood.
Less typing, more building please. :P
Also, do you think your dad will buy me a new pipe and some other parts if i email him a list? Seeing as hes feeling flush and generous right now. I would even be willing to call him "Dad" too if that helps :D
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Well... There goes the Gene pool.
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Streido brother, let's call dad....
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Oh Jeeeez!
Mom's gonna be PISSED!
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...mom said hello!
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Cool! She left her teeth, and the her Medic Alert. I keep pushing the button but someone took out the battery?!? Wouldn't know anything about that would you?
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..yeah...wwelll...my digital calipers died....ssssso......
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Ahhhhh! Priorities.
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...i hadda post those pics...
..information is invaluable, and a pic is worth a good blowjob without the clappers...
...oh yeah...batteries...
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Priorities! fresh batteries in my digital sphygmomanometer and glucometer.
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Holy sh** man... That's your MOM!
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...ssshhh...white's here....he'll think we jackin his thread......
:-*
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Less typing, more building please. :P
Also, do you think your dad will buy me a new pipe and some other parts if i email him a list? Seeing as hes feeling flush and generous right now. I would even be willing to call him "Dad" too if that helps :D
[.............................i will be building on friday or saturday.......................................]
*end of transmission*
btw too late.....feel free to jack the thread
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...the thread's dead....long live the thread!!!
;)
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...i like dead things....
..and cows....
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YOUR CHOICE....
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I already plan to set my personal best for straight line distance swimming.
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...i like dead things....
..and cows....
hmmm cows.....kymco ZXcow.....moooo
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Dead Cow Scoot !! ....
(http://modernvespa.com/pix/uploads/oh_lala_237_177.jpg)
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hmmmm thats.......interesting......looks like its from mad max.
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Dead Cow Scoot !! ....
(http://modernvespa.com/pix/uploads/oh_lala_237_177.jpg)
Poor little Vespa :'(
Thats an early Vespa Rally too i think judging from the rear side panels, i paid over £100 per side for a pair of those at the start of the year :o
Maybe i should just have used some old cow parts instead :-\
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I love that scoot. Tried it as a wallpaper but that dude was freaking me out. That bike is art!
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...wowwww...
..that's fukn awesome....
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In thinking about it... That would NOT be the guy you'd wanna meet out in the woods. The bed roll tells all.
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Tenacious D - Beelzeboss (The Final Showdown) (http://www.youtube.com/watch?v=u43-bh9jrxc#)
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lmao awesome song and a great film, i have this on dvd.