KymcoForum.com
General => General Discussion => Topic started by: dreflu on March 03, 2011, 04:30:50 PM
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just got my 70cc kit today and i almost got it on but i need to know how to check the oil pump. i dont want to ruin a new cylinder
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209 SKU: 15100-GAK-9500
PUMP ASSY OIL is a saleable item. 1 $52.26 If you suspect your oil pump is bad you could replace it . Stadium Yamaha .
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209 SKU: 15100-GAK-9500
PUMP ASSY OIL is a saleable item. 1 $52.26 If you suspect your oil pump is bad you could replace it . Stadium Yamaha .
thanks but i was wondering how to check it. i just went ahead and pre mixed. but now im having other problems
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I don't think you can just premix , you have to disconnect the oil pump and plug up the connections . Good luck .
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I have a question. Being incapable of making a permanent decision in pretty much anything (but I did buy a house this year), I thought maybe I would just re-route my oil line that connects to the carb from the oil pump. I thought if I plugged the inlet hole on the carb and ran the oil line back to the oil reservoir I could decide if I liked the pre-mixing better than letting the oil pump do it for me. (Plus I will always have extra oil in case I forget to bring a bottle.) It lets me take one more variable out of the equation so I know the oil/gas mix is correct. I can always change it back down the road. any thoughts on this approach? :P
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Some of the guys disconnect the cable to the pump -- that way it just injects a small amount of oil as if engine were idling. Then they pre-mix too.
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I guess I was hoping for a quick feedback on the viability of the proposed set-up. I don't even know what the mix is supposed to be much less what the pump is actually mixing it to. I know it is probably 40-1 for the '07 super 9 but not positive. Anyway, my biggest concern is if the oil pump takes a crap and I have no mix at all. So this basically is a way to avoid that without much work. Seems like adding 3.2 ounces of oil per gallon is easier than worrying if the mix is right. I guess I am kind of a control freak as well and not knowing if the pump works just right bothers me. Maybe I will just try it and report back good or bad. thanks for any input, people. :)
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Dreflu - Don't risk that new cylinder with the stock oil injection pump! Moving up in CCs changes the motor's needs - ESPECIALLY if you have to rejet/replace the carb.
Disconnect it and run premix, dude.
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Dreflu - Don't risk that new cylinder with the stock oil injection pump! Moving up in CCs changes the motor's needs - ESPECIALLY if you have to rejet/replace the carb.
Disconnect it and run premix, dude.
thanks and i did... before i even started it.... but i think i still ruined the cylinder. it was testing @ 150 lbs yesterday and today its down to 120 and wont start. im trying to find piston rings for the malossi kit now. i did something wrong somewhere. i had it pre mixed. and had the oil pump hooked up to start. im buying rings to try it again and if i still have no luck. she's getting parted out. and im going back to 4 strokes!!
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Don't buy new rings just yet! That bucket is brand new - The compression will be all over the place until it wears in. There is no way you could have ruined it that quickly.
Before you compression test put a SMALL amount of oil in the cylindar and cycle it a few times. If it is bone dry, you'll get bad readings too.
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Don't buy new rings just yet! That bucket is brand new - The compression will be all over the place until it wears in. There is no way you could have ruined it that quickly.
Before you compression test put a SMALL amount of oil in the cylindar and cycle it a few times. If it is bone dry, you'll get bad readings too.
thanks... i opened it up and they look good