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Discussion Starter · #1 ·
Hi all,

I had a leak in the radiator on my 2001 Sprint ST - Got it fixed OK, but now the bike won't start and then idle when cold without me holding the throttle on by hand until it warms up, then it's fine. I didn't remove the coolant temperature sensor when I did the radiator and the bike didn't get hot with the coolant leak. It sounds like it's running on 2 cylinders when cold then all 3 kick in when the temp comes up. Local dealer has said that it might be a leaking head gasket. He says that when the bike is cold coolant may be leaking into one cylinder and then when it warms up heat expansion stops the leak. I also had the air box off and changed the plugs at the same time as the leak was done. Any one got any experience with this please?
 
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