ian t Posted June 2, 2007 Share Posted June 2, 2007 hi guys, my yamaha sr125 is running hot and backfiring. if i carry on riding, it cuts out and wont restart again for a while. 1t's a V reg and has only done 5000 miles. any help would be much appreciated thanks Link to comment Share on other sites More sharing options...
Moderator drewpy Posted June 3, 2007 Moderator Share Posted June 3, 2007 hi guys, my yamaha sr125 is running hot and backfiring. if i carry on riding, it cuts out and wont restart again for a while. 1t's a V reg and has only done 5000 miles. any help would be much appreciated thanks either running very weak (check sparkplugs) or your ignition has somehow retarded. don't keep running it like that as you are getting partial seizures ( cutting out), does it run when cooled? Link to comment Share on other sites More sharing options...
ian t Posted June 3, 2007 Author Share Posted June 3, 2007 either running very weak (check sparkplugs) or your ignition has somehow retarded. don't keep running it like that as you are getting partial seizures ( cutting out), does it run when cooled? yes it runs fine when it's cooled down. i noticed that the timing lines weren't lined up very well, so with my friends help we've moved one of the sprockets so that the timing lines are lined up better. it seems to be ok now (ridden it for 5 miles with no problem), but it doesn't seems quite as fast as before. i'm taking it to a bike mechanics on tuesday so he can check the timing is right and check the mixture. if the timing had somehow moved, i have no idea how it could have happened. any thoughts? thanks Link to comment Share on other sites More sharing options...
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