View Single Post
Old 12-31-2008, 07:04 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: more top end speed after run in

Originally Posted by 4wdingman View Post
thanks all I put the needle up one spot and she run's great it will top out at 40km and i am still running it in just a questiom. how much oil should i use, i am using 25-1 and blowing the smallest bit of smoke but the motor get real hot do you think i should go to 20-1??

I will bet a dollar that if it's hot, and you go to 20:1 it will get hotter and make a carbon-y mess.

The reason is simple. More oil=less gas in the fuel to air ratio. Going from 24:1 to 20:1 will make the engine run leaner, and if it's already running hot, it WILL run hotter.
Reply With Quote