dwillowguy
Active member
Long story short, engine rebuilt, new crank, polished and ported jug's, weisco pistons, 450 jet's on all jug's. Start's, idles and runs no problem.........when you bar the throttle from a stop, it will lift the front end up and stretch your arms, you can feel it shift up and next thing you know your doin 80+ mph. Here's the issue, if you take off on a trail and doing about 25-30 mph at 4500-5000 rpm and hit the throttle she bogs out, choking makes it worse, only way around it is to slow down to 15-20 mph and hit the throttle, it will then hook up and take off again like normal till you slow down to that 25-30 mph and bog comes back. Cleaned both clutches drive running square almond spring, with blue/silver on secondary. Secondary set to 4th hole on preload and belt deflection is OK. My question is could secondary be too tight, or could it be too high gearing? Any idea's would be great.