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Scooters - 50cc => Super 9 => Topic started by: magordon7 on July 11, 2010, 07:44:39 PM

Title: slow acceleration
Post by: magordon7 on July 11, 2010, 07:44:39 PM
hey. my lc super 9 is off the line slow. 5mph to 20 is nice then 20 to 35mph is very very slow. once the rpms hit 7000 feels like it has great power and acceleration... any ideas guys? im thinking new variator and clutch.
Title: Re: slow acceleration
Post by: art on July 11, 2010, 10:05:38 PM
Hey mag That would be my guess lighter weight can help also.How many miles and mod you got.Welcome to the forum!
Title: Re: slow acceleration
Post by: wordslinger on July 11, 2010, 11:06:09 PM
...yup, what art said!!

 ;D


peace
Title: Re: slow acceleration
Post by: magordon7 on July 15, 2010, 05:33:41 PM
thanks for reply guys... it has about 1700 miles. and its a 2005. i bought it used with 1500 miles at local honda shop. i know its derestricted it has no rev limit and i have had the spedo to the M on MPH going down a hill. carb, intake and filters are all stock. it has a turbo kit exhaust that seems to give it top end power. heres a pic for that. i appreciate the help. any suggestions on brand name for parts? molassi seems to be a favorite. and should i get clutch or variator first? i have to get 1 part at the time for now as cash flow is limited.
Title: Re: slow acceleration
Post by: art on July 15, 2010, 06:44:29 PM
I'd get the veriater first and take a close look at the plug,you may be loseing some performance do to lean condition with aftermarket pipe and to small a main jet,I'd open up that air box too.Stock clutch should be fine untill that big bore kit  ;D .If you want to go real cheap do the airbox and jetting first biggest bang for the buck,you might be suprised!  ;)
Title: Re: slow acceleration
Post by: magordon7 on July 16, 2010, 01:20:43 AM
thanks for the tip art. sorry if i am unclear on a few things... what do you mean by opening up the air box? getting a K&N style filter and going up on the main jet size? if so what size jet do you recomend or do i just adjust the stock one. 1 more thing. how do i read the plug? lol i know im total noob to this but good with tools so shouldnt be too hard thanks again
Title: Re: slow acceleration
Post by: art on July 16, 2010, 01:31:06 AM
Yes on the jets and k/n,I do not have your model but I think #95 is a good start,you can drill your own jet but it is a bit of guess work,can be repaired with salder and drilled again.The sparkplug is the heart and sole of the bike,learning to read the plugs is probably the most iMportant and some times difficult to interprit,heres a link good luck. http://www.dansmc.com/spark_plugs/spark_plugs_catalog.html (http://www.dansmc.com/spark_plugs/spark_plugs_catalog.html) . this will help ,Think chocalate brown
Title: Re: slow acceleration
Post by: magordon7 on July 16, 2010, 08:38:24 PM
tons of help art thanks bro
Title: Re: slow acceleration
Post by: art on July 16, 2010, 09:24:57 PM
Hey thats what wer'e here for,Good luck
Title: Re: slow acceleration
Post by: wordslinger on July 17, 2010, 02:05:11 AM
The sparkplug is the heart and sole of the bike,learning to read the plugs is probably the most iMportant


..that's like....holy words..................
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 05:40:55 AM
now. can i remove the plug easily or do i have to remove the body? looks complicated is there an easier way?
Title: Re: slow acceleration
Post by: art on July 17, 2010, 07:05:20 AM
I dont have your model,the people can be gotten through the cover below the seat,the zx at rear of bike could be reached by moving the mud flap and reaching in,don't know zactly where yours is located,there is usually a quik way to the plug dont make sense to remove any plastic seat bucket at most,I havn't got a close look at a super 9 yet.There should be a link to a shop manual here somewhere,or check the owners manual if you have one.
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 07:18:34 AM
see i thought so. there is always a way to do it efficiently.  art your advice has helped alot. i dont currnenly have a saudering system so should i get one now or is ther a way i can tune my scoot without one?
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 07:26:38 AM
for the variator what do you suggest? molassi. and for a lighter weight do you mean clutch springs? or what? i apologise again for not knowing just trying to learn before i act
Title: Re: slow acceleration
Post by: art on July 17, 2010, 06:07:12 PM
You don't need a soldering system unless you plan to driil your own jets,I just use a torch and a flux core solder,This is to fix your mistakes when you go to big,the good part is you will know where that edge is and want to be just under it for best results.Some of the keihin carbs are hard to get main jets for around here Don't know which one you have If jets are available buy a hand full I'm thinking a #95 to a #105.I think mallossi is the faverite around here,I was refering to roller weights,some kits will give you a couple sets one for stock and one for modded but not all.I would do your airbox and jetting first before the veriater too many changes at once can get you confused as to what is and isn't working,try to perfect the motor tuneing first,then mod the hell out of that cvt  ;D  I.m still chasing mine around in circles do to changing Tire size veriater and clutch at the same time,going back to the start with fine tuneing the carb.Good luck
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 09:37:34 PM
ok art.. check this. http://www.pjmotorsports.com/keihin-jets.html#main (http://www.pjmotorsports.com/keihin-jets.html#main) jets i may have found some jets for stock carbs, although im not sure of the size that i need. # 95 to 105 i get that but 5mm wide or 6mm? how long and such.
Title: Re: slow acceleration
Post by: sidthesloth on July 17, 2010, 10:57:53 PM
Nice find Magordon, there has been discussion on here before about the stock Keihin jets, it seems that there are so many no one knows which one to order and the dealers seemed to be unsure as well. For the record, I reckon the 1001-806 is the correct one for the stock ZX50. Once again, nice find, and welcome to the forum.
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 11:11:33 PM
thanks bro! hey the find came fairly easy thanks be to google... still researching see what else i can find
Title: Re: slow acceleration
Post by: art on July 17, 2010, 11:15:43 PM
Very nice find I've been all over the place havn't found these guys .If you have the dreaded pb its the 7mm x 5mm x 3mm or 99101-116,thats the one for the stock people 50 not sure about the s9 someone here should know,could not find anywhere,and pilot jets too!!!  :-* x  :-* x   :-*   ;D
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 11:22:02 PM
also i checked my spark plug agaist that website that art posted for reading plugs. and mine turns out perfect chocolate brown described as "the best" on that page. so tuning does not seem to be an issue. my guess is there isnt a good balance between intake and exhaust that henders my acceleration. so my next step should be k&n style filter and up on jet size. the 48mm filter will fit on the stock carb i believe. sound right guys? here is the filter i am looking at http://www.scooterpartsplace.com/High-Performance-K-N-Style-Scooter-Air-Filter.aspx (http://www.scooterpartsplace.com/High-Performance-K-N-Style-Scooter-Air-Filter.aspx)
Title: Re: slow acceleration
Post by: art on July 17, 2010, 11:42:24 PM
I needed the 38 on the people 50 Think i got a 43mm k/n to work different style.Thats the one i wanted though.Once you put the k/n in you will be running way lean don't go far but check your plug for reference
Title: Re: slow acceleration
Post by: magordon7 on July 17, 2010, 11:48:37 PM
is it possible just to open up the stock jet in order to get the correct tunning once i add the filter? also after i read the plug can i clean it off and use the same one to read again
Title: Re: slow acceleration
Post by: art on July 18, 2010, 12:26:53 AM
You can open it up,but i think the jump in size may be a bit too much for the stocker you start to take the cone out of the jet,may still work fine,It's good to have a hand full of plugs when doing this,once they get toasty it's hard to tell some times whats going on,plus these t2's eat plugs from time to time so its good to have a few spares at least three.If you plan to open your jets get the torch tip cleaner set at a welding supply house.something like this is your best bet if you go this rout.It is cheaper in the long run if planning more mods. Those jets are a little pricey at the site( but nice to have when no one else caries them)Around $4.00 most places.
Title: Re: slow acceleration
Post by: sidthesloth on July 18, 2010, 12:55:15 AM
G'day Magordon, I have 3 of those type filters, from 3 different suppliers, they seem to work ok but one thing I found with all of them is that the chrome end cap is not sealed properly, like they were stingy with the glue. If you buy one, check it and if you see light through the join make sure you seal it before you use it. With mine I paid $10 for one from hong kong, $20 for one from my local bike shop, (yep, we have one of those) and the other one came with the carb and inlet kit I bought from an ebay seller. As far s I can see, they are all made from the same factory, different seller, different price. If you want to pay a bit more you could buy the genuine K&N filter, will be top quality, but I don't know how much more.
Title: Re: slow acceleration
Post by: magordon7 on July 18, 2010, 05:16:19 AM
thanks guys again... i found a k&n site that has a size that will fit...they dont give them away tho at about 65$ but they do come as a pair so not too bad i guess. i got a complement today from a guy on a ninja... he was amazed that i had an exhaust on my scooter.. haha if he only knew
Title: Re: slow acceleration
Post by: sidthesloth on July 18, 2010, 05:40:26 AM
I believe the K&N filters are reusable, as in clean and reuse. They do cost, more but I have never heard anything negative about them.
Except the price. :)
Title: Re: slow acceleration
Post by: art on July 18, 2010, 06:11:42 AM
I agree They are more pricy but a good prodect,somone's a little bit HIGH!Could be  ME! nothing wrong with having 2 they do breath better than any other I have tried and haveing a backup is good or was that a hickup,seen them up to $85 a pop! I'll take the  other if you don't need it! Ha!
Title: Re: slow acceleration
Post by: magordon7 on July 18, 2010, 07:16:30 AM
lol well i start my new job monday so maybe ill be able to afford nice stuff like that :)
Title: Re: slow acceleration
Post by: sidthesloth on July 18, 2010, 07:26:29 AM
Those cheaper filters I got have a removable mount rubber. Tha one I bought locally was for a 54mm carb, I just put on my 48mm mount rubber and is all good.
Title: Re: slow acceleration
Post by: wordslinger on July 18, 2010, 03:16:59 PM
Those cheaper filters I got have a removable mount rubber.

..the filter fell off the mount of the one i had on my A50...

..somewhere, it's out there...all alone....

 :(
Title: Re: slow acceleration
Post by: sidthesloth on July 18, 2010, 07:58:43 PM
...somewhere...its out there all alone....

Looking.... for zombie....
Title: Re: slow acceleration
Post by: wordslinger on July 18, 2010, 10:17:49 PM
...where th' hell is he.......

..imma google his no-posting ass......
Title: Re: slow acceleration
Post by: wordslinger on July 18, 2010, 10:20:39 PM
lol well i start my new job monday

..hell yeah!!!...jobs arE HARD to find these days....


peace
Title: Re: slow acceleration
Post by: magordon7 on July 19, 2010, 01:38:41 AM
job.. no kidding this ones a good'n so i got lucky. couldnt have come a better time... and as for zombie i sent him an email last week and he replied to it last night... maybe he has just been super busy