Yamaha xt 350 cracked head

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XTJoe

Race Dog
Joined
Jul 6, 2009
Messages
3,189
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105
Location
Somerset west
Bike
Yamaha XT600
Friend of mine with Xt 350 has a dilemma -Bike used on farm- starting became difficult-carb cleaned all ok , spark good. Sent to mechanic- took the head off and found the the exhaust valve seat started coming loose and it looks like there is a small crack in the head. Apparently it is a problem on the 350 with overheating and cracked heads and parts are scarce 

Repair bill of between 5 to 6 k on the cards- with valve replacement and  if crack can be repaired. He is very happy with bike but spend the money on a bike thats worth maybe 15k in running condition

Any one with experience or thoughts
 
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