Quilty
XS650 Enthusiast
This may or may not be related to carbs but I'll throw this out there.
I've just finished a rebuild of a stock 72 motor. It has 76/77 carbs on it which had one size up on pilot and one size on mains which ran fine before the rebuild.
Since the rebuild she is running rediculously lean. She pops and backfires on startup then after a minute or two will idle fine except for a flat spot just off idle. So I went another size up on the pilot and raised the needle one space 2.5 turns on the screws. No more flat spot ,grand, but she's still a bitch to start. I've checked for leaks can't find one. The choke doesn't seem to work aswell anymore either. Should I have to make her richer given the new compression of the engine or am I compensating for something else?
Bike has new cylinder sleeves and bearings
I've just finished a rebuild of a stock 72 motor. It has 76/77 carbs on it which had one size up on pilot and one size on mains which ran fine before the rebuild.
Since the rebuild she is running rediculously lean. She pops and backfires on startup then after a minute or two will idle fine except for a flat spot just off idle. So I went another size up on the pilot and raised the needle one space 2.5 turns on the screws. No more flat spot ,grand, but she's still a bitch to start. I've checked for leaks can't find one. The choke doesn't seem to work aswell anymore either. Should I have to make her richer given the new compression of the engine or am I compensating for something else?
Bike has new cylinder sleeves and bearings