YamDan_64 Posted December 5, 2009 Share Posted December 5, 2009 HI problem is that when I am riding my Yamaha DT 125R, It over heats. When I take a look in the radiator, there is nothing in there because it as overflowed out of the radiator expansion pack on the back of the bike, i have also had the head and barrel skimmed twice as im sure it was warped and thought that was the problem but it still seems to overheat and spit water out Please can you tell me why this is happening and how to fix it. Link to comment Share on other sites More sharing options...
Moderator Cynic Posted December 5, 2009 Moderator Share Posted December 5, 2009 HI problem is that when I am riding my Yamaha DT 125R, It over heats. When I take a look in the radiator, there is nothing in there because it as overflowed out of the radiator expansion pack on the back of the bike, i have also had the head and barrel skimmed twice as im sure it was warped and thought that was the problem but it still seems to overheat and spit water out Please can you tell me why this is happening and how to fix it. Check your rad cap is working properly, if the spring has gone weak it will allow the water to boil away. Thermostat is worth a look too. Link to comment Share on other sites More sharing options...
Paulie H Posted December 6, 2009 Share Posted December 6, 2009 HI problem is that when I am riding my Yamaha DT 125R, It over heats. When I take a look in the radiator, there is nothing in there because it as overflowed out of the radiator expansion pack on the back of the bike, i have also had the head and barrel skimmed twice as im sure it was warped and thought that was the problem but it still seems to overheat and spit water out Please can you tell me why this is happening and how to fix it. Link to comment Share on other sites More sharing options...
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