Question about 1991 Yamaha FZR 1000
Hi and welcome to FixYa,
A way to verify start the bike from the cold. Note which exhaust will not heat up after the start (carefully). If the exhaust not heating would be from either cylinders 1 & 4 or 2 & 3, then it would be an electrical/ignition problem. If on the other hand what will not heat up will be the exhaust of 1 & 2 or 3 & 4, then it would be a carb/fuel problem.
Alternately, removed all the sparkplugs, reconnect to the cap and lay on metal part, start the bike. Note for absence or presence of spark on plug ends.
Good luck and thank you for asking FixYa.
Posted on Jun 28, 2009
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Posted on Jan 02, 2017
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