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So after 4 sets of rings I finally got them in without breaking them. I was able to really clean the exhaust port and replace the smashed metal exhaust gasket. It gave me 1 mph more but acceleration is a lot better. When I hit 25 mph it feels like it’s governed. It stops accelerating right there. I’m not sure what else I can do to get to the stock 28-30 mph so I can start adding some aftermarket intake/exhaust parts. Any ideas?
Any governing on these will be done through restrictions on the carb. You can try increasing the size of the jets. Or maybe get some increase by opening the Jet screws on the carb. You can also decrease the amount of oil in the fuel oil mix but this will greatly increase the risk of killing the engine. Never go beyond 100 to1 mix. You can also get a little increase in speed by decreasing drag . Make sure tires are up to proper pressure and take any drag out of the brake by adjusting them and greasing wheel bearings so everything runs smooth. Keep your chain snug so there’s not slop. Just a few ideas Hope this helps
Hey. I’m a mechanic so I know engines. Problem with yours is the same as you trying to breath through a straw. All you need to do is change your air filter to one that will let it suck air easier. K&N have a great range and definitely one to fit your bike. The other is exhaust fumes. You gotta clear all old engine breath so it can continue exhaling easy. That means a new. Exhaust pipe called an expansion chamber. Once you do them, you’ll see a difference. If you wanna go further, try polishing all the ports. That’s the seat where the valves sit. Polish them up smooth, also any lips and edges that protrude at the mouth of the carb. It aids airflow down the throat of the carb. Airflow flows faster over flat surfaces then ridged surfaces.
