dylan_elliot Posted June 29, 2012 Posted June 29, 2012 hi i have a yamaha dtr 125 i'm not sure on year i think its a pre-89 as it only has a 3md code and its been converted to a field bike and its been running fine until about 2 weeks ago when i was out on it and nearly had it flat out and after that cruising about the field then when i stopped and switched off the engine it was sitting for around 2 minutes then there was a loud pop and i saw the coolant from the overflow tank pouring down the side an the cap had blew off so i put it back on then was back on it, running fine until i put the engine off again same thing happened, it continued to do this when i was driving home, it started to do it when the engine was still running . i put the bike in the garage and left it a about a few weeks then took it out a run 3 days ago (i topped up the radiator and half filled the coolant tank) the bike was fine a little bit self revving i noticed then the cap blew of when i got homed switched the engine off, the next day i started up and drove it round the back of my house to wash it about 25ft then steam started pouring out the radiator and switched it of and haven't started it since. i think it could be the head gasket not sure. i am new so i am sorry if i broke any of the site rules,
NEV Posted June 29, 2012 Posted June 29, 2012 Sounds like a blown head gasket Dylan, if it is replace with a genuine one, or Athena, dont use a pattern one or you'll be in this same position 4 or 5 weeks on.
dylan_elliot Posted June 29, 2012 Author Posted June 29, 2012 thanks alot i will have a look later, if it is the head gasket where is the best place to buy one ebay or is there a Athena online store?
KirriePete Posted June 29, 2012 Posted June 29, 2012 I've been a loyal customer of WEMoto for many years, never a problem - here's a link for Athena top end gaskets for the '89 DT: Click Me. You're welcome
Moderator Airhead Posted June 29, 2012 Moderator Posted June 29, 2012 These look a great buy for the money http://www.ebay.co.u...ME:B:SS:GB:1123 how about an intro then we have a new members forum
dylan_elliot Posted June 29, 2012 Author Posted June 29, 2012 ok thanks for all the help, i will post when i get it fixed
dylan_elliot Posted July 7, 2012 Author Posted July 7, 2012 put my new head gasket in today goin to take it out tomorrow and see what its like this is the old gasket thats the exact way i took it out i am really surprised that i have been running the bike like this thanks everyone for your help
Moderator Airhead Posted July 8, 2012 Moderator Posted July 8, 2012 put my new head gasket in today goin to take it out tomorrow and see what its like Nahh leave it in dylan...theres no way it will get like that in a day!
Moderator Cynic Posted July 8, 2012 Moderator Posted July 8, 2012 Did he not mean try the bike out Paul?
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