I bought a used R65 with Dellorto PHF 32s. Plugs look toasty brown after city driving plug chop, but it's guzzling gas and has black soot on the inside of the exhausts. I think it's running pig rich on the highway. I tried moving the needle from the most rich position to one position leaner, and now it may be running a touch lean. I didn't use brand new plugs before I did a plug chop.
When I had the needle in the leaner position, I felt like it had more HP than in the more rich position but of course it was idling a little rough until the bike warmed up. I feel like when I go to WOT the bike doesn't want to respond as well as if I crack it to 1/2 and gain speed slowly. My intuition, which could be wrong, is that that also implicates the main jet?
The bike seems to run well after I balanced the carbs. Float level looks within spec on both carbs.
main jet: 130
idle jet: 55
needle jet: AB265
needle: K8
slide: 50/1
Any input on whether this looks totally out of whack or reasonably close? I have a selection of smaller main jets and a good source for K3-K6 sized needles. New needle jets are available on eBay, but not as cheaply.
Cheers,
J.T.
When I had the needle in the leaner position, I felt like it had more HP than in the more rich position but of course it was idling a little rough until the bike warmed up. I feel like when I go to WOT the bike doesn't want to respond as well as if I crack it to 1/2 and gain speed slowly. My intuition, which could be wrong, is that that also implicates the main jet?
The bike seems to run well after I balanced the carbs. Float level looks within spec on both carbs.
main jet: 130
idle jet: 55
needle jet: AB265
needle: K8
slide: 50/1
Any input on whether this looks totally out of whack or reasonably close? I have a selection of smaller main jets and a good source for K3-K6 sized needles. New needle jets are available on eBay, but not as cheaply.
Cheers,
J.T.