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Intermittent starting problem

Frank24

Newbie
Joined
Feb 21, 2023
Messages
3
Age
28
Location
Quebec
Country
Canada
Snowmobile
Yamaha apex 2011
Yamaha apex 2007
I was wondering if someone ever had this problem. My 06 apex han an intermittent problem. I start it it will idle fine and reach its temp but then i give him some throttle and it doesn’t have power and makes pops and bangs. I shut it off and restart it and does the same thing. Some times i have to do this 6 or 7 times other times it only takes 2or 3 attempts and then suddenly it’s okay and it’s okay for the day or until i shut it off again. I’ve changed all donut exhausts and all 4 plugs does anyone have an idea what it could be? Thanks
 

start with checking and cleaning the ground blocks 1st.
 
try bypassing the kill switch by linking the wire together and a different ign. had the ign mess up on my rx and had water short the contacts in the kill switch at the same time. you could have corrosion in one or both that is causing you greif.
 


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