4 stroking

Josh_wilcoxx

Active Member
Local time
7:49 PM
Joined
Jun 4, 2019
Messages
123
Alright guys, I broke my HP carb, so I threw the NT on for a couple days until I got a new carb. When I put the NT on, it started 4 stroking at 35 mph (bike maxed out at 50 before, when 4 stroking my top was 38) and I had the needle on the leanest position, with stock air filter. I then got a new HP carb, put the jet I had been using before on the new carb, and 4 stroking stayed the same. 38 tops. What changed for this to happen? What's the fix?
 
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