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Old 25-04-2013, 07:56 PM   #141
Dukedesmo
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Join Date: Sep 2010
Location: Leics
Bike: M900
Posts: 2,848
So, back to the dyno today. Changed a few things, bigger carb main jets and adjusted the the air and pilot jets, still running a tad lean at lower RPM so need to up the pilot jets but, finally it's running cleanly and pulling strong at all speeds - no more backfiring through the carbs at low revs and just a 'nice' amount of popping on the overrun.

Had a problem with the dash cutting out which seems to have been caused by a loose fuseholder, hopefully all sorted now.

Not quite 100%, but probably 95% there now and certainly enjoyable to ride rather than just 'challenging' especially at low revs when pulling away from standstill as I don't need to slowly feed in the revs any more to prevent stalling.

Engine's still got less than 200 miles since rebuild so maybe still a little tight but making 90hp and 68lb/ft so not too shabby either and certainly enough to make the front end feel a little light.
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