mtk

Member
Jun 9, 2004
1,409
0
Can anyone tell me what type of main jets are used in the Yamaha PW50? I helped a friend of mine get one for his boy and I'm trying to get it tuned up properly for him. I believe that it uses a 70 main jet stock and I'd like to order the next size or two smaller to see if we can get it to run a bit better, but I'd rather not rip it apart just to see what size and type of main jets it contains. Can anyone help?
 

pw50123

Member
Aug 14, 2004
25
0
Check out peeweecycle.com Get a 67.5 and a 65. The 65 will work best. Also get some airfilters when ordering. I have a complete rear end with qt gear if interested. It drops right in and is AMA ok. $150.00 This is the best performance enhancement you can get that is AMA approved!
 

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