Triumphrat

maxpower · 08-12-2005, 07:55 PM

Sorry no Glazed Donuts here.

For past two days, after the bike has been ridden for more than 10 minutes(well warmed up) and during Clutch in throttle back/off shifting at 4000 RPM, I have been noticing that the engine is briefly gaining RPMs, holding them instead of immediately tapering off. If I shift 3K or 5K RPM the problem does not manifest itself. Currently it's just an annoyance but I am concerned It may get worse.

Throttle linkage appears to operate smoothly with out binding. It been Hot 95f and humid ~60% not sure if this affects things. There is less than 15K miles on the clock and the bike is stock. Otherwise it is running fine.

I was thinking perhaps one of the slides was getting a sticky spot at 4K RPM, where I like to cruise or perhaps a dirty air filter letting her run rich.

jimmyj900 · 08-13-2005, 12:56 AM

Check the air filter and also check the carb outlet rubbers and vacuum takeoff covers for cracking.

Beyond that, the Mikuni carbs are subject to both slide wear and needle/needle jet wear, so if it's not an airflow problem it's time to open the carbs and take a look.

Jim