What colour is the smoke? Blue or white/grey?
Blue could indicate rings (but a little blue is normal), white/grey could indicate a crank seal on the clutch side.
I've come to the conclusion my crank seals are getting a bit suspect (30,000kms+) as it's becomming harder to start, and it only had a top end recently. Once started it runs OK, and at the top-end it flies along quite merrily, but low speed and starting are a pain in the ass! We've tried bloody everything to iron it out too, right down to making new X and Y pieces to try and clear the low speed fuelling up!!
Have you checked the transmission oil level. If it drops then that could show up a leak into the crankcase.
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Andy.
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Last edited by Andy on Sat Sep 03, 2005 5:53 pm; edited 1 time in total