Originally posted by Z00M
Hey soc, with the flameouts and fuel running the wrong way, I experienced this last weekend trying to tune my new motor.
The flameouts only happened in slow parts of the track and when pitting.
I found that by turning the midrange needle anti clockwise about 1/8th of a turn solved the problem and also stopped the fuel from being stubborn about going up to the carb.
Not sure if your RB has a 3 needle carb but if it does then maybe play around with this setting a little.
I watched one of the dudes at the club that has a lot of experience in tuning motors tune one for a guy and I found that with this new knowledge that I am now able to understand more clearly what's going on.
Cheers,
Mike.
yup this is one way to cure overheated carb. But when you richen the MSN, the LSN now will be richen by that same amount, remember to adjust the idle too. In conclusion you are effectively richening the low end and advancing the point where the low speed transition to mid speed.