mconigliaro
YaBB Newbies
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Posts: 15
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It's really been bothering me that I found the 55 pilot jet to be the right size for Denver, considering that Ryca usually recommends the stock 52.5 pilot jet for their kit. Logically, I should need the 52.5 (or smaller, not bigger) for my elevation. So I decided to take Dave's and Batman's advice and ignore the fact that I can't get my bike to stumble by fully opening the idle mix screw with the stock pilot jet. I put that jet back in, set the idle mix screw to 1.5 turns out and went for a ride around town. The first thing I noticed was a lot more backfiring than usual when closing the throttle. Ryca says the bike will always backfire a bit, but mine seemed pretty excessive, so I took JLC's advice to open the idle mix screw a bit more. I'm now at two turns out, and that seems to have taken care of most of the backfiring. Additionally, the smaller pilot jet seems to have solved a problem I've noticed lately where the bike would randomly stall while idling. Since JLC is having good luck at 2.5 turns out, I'll probably mess with the screw a bit more and see if I can improve things further.
I'm still experimenting with the main jet, but again, since Ryca usually recommends a 150 main jet for their kit, it doesn't make any sense to me that anything bigger than 150 would be right for high elevations. I'm now at 147.5 for the main, which seems OK so far, but I'm going to keep experimenting.
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