one cylinder only problem

lokey727

lokey727

Location
modesto ca
so i just finished my ski. fresh motor top an bottom. brand new msd enhancer all plugs dielectric grease an made sure were tight. ive taken ski out probably 10 times has been running great just tuning was off a little. an now its running on the rear cylinder only. has ada head. singke 46mm carb. its poring oil out. so i tore top end off an everthing looks good no cracks nothing. changed coil also with known good one. plugs got spark. only thing i have done were new jets an pop off spring other then that its all the same. i have stock cdi. the ebox was dry when i pulled apart. ski only ran okay at higher rpms.
 
DylanS

DylanS

Gorilla Smasher
Location
Lebanon Pa
lokey727 said:
so i just finished my ski. fresh motor top an bottom. brand new msd enhancer all plugs dielectric grease an made sure were tight. ive taken ski out probably 10 times has been running great just tuning was off a little. an now its running on the rear cylinder only. has ada head. singke 46mm carb. its poring oil out. so i tore top end off an everthing looks good no cracks nothing. changed coil also with known good one. plugs got spark. only thing i have done were new jets an pop off spring other then that its all the same. i have stock cdi. the ebox was dry when i pulled apart. ski only ran okay at higher rpms.
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You did verify your pop off with a gauge correct? If it clears out at higher Rpms and is down on power/stumbling hard down low maybe you got a spring that’s off and have a major rich condition. Would make sense with your oil situation.
 
Last edited:
lokey727

lokey727

Location
modesto ca
I pulled top end apart. Checked reeds everything. I’m thinking needle and seat sticking. Or msd went out already. Witch it’s still under warranty
 
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