panthers06232
New member
I have a 1998 yamaha srx 700 i was riding across the lake this winter and it just startd overheating s i would shut it off let it cool down and then ride a little bit then it would over heat before i got it to to the truck i was riding and it seemed to loose a lot of power so i shut it off it has never started again it has no compression in the middle and right cylinders i took the jugs off the piston and ring is completely in tact nothing looks wrong with it at all any help is appreciated i will post pics of the engine.
YAMMIEGOD3:16
Active member
YOU MIGHT NEED TO REPLACE THE HEAD O-RING GASKETS AND I WOULD GET A NEW THERMOSTAT FOR THIS SLED. ALSO, CAN YOU MOVE THE RING IN PISTON ? 3:16 (yammie tony)
panthers06232
New member
no i can not move the ring in the piston
panthers06232
New member
i thought that replacing the head gaskets might do it but this sled has like 35 psi in these cylinders wouldnt they have more than that
bluemonster1
LIFE MEMBER ONLY ONCE!!!
rebuild time..PSI on average is 120 psi..open her up.order parts as needed.Get down to opening cases and then post back what uyou have found..add pics also.
YAMMIEGOD3:16
Active member
OVERHEAT HAS CAUSED YOUR RINGS TO STICK AND LOCK IN RING GROVE. THATS YOUR PROBLEM. TIME FOR NEW RINGS ALSO. 3:16 (yammie tony)
viperking
Active member
I have a thermostat and some lightly used rings, pm me if interested thanks
panthers06232
New member
so you think i should put head gaskets on it and change the rings how do i go about changing rings i have never done it do they just snap on
There is a little more to it then just snapping them on, find a friend that has more experience and do it together. This will help you learn without making a costly mistake.
Good luck
Sno
Good luck
Sno
YAMMIEGOD3:16
Active member
VERY GOOD ADVISE. THIS IS NOT LIKE TIEING YOUR SHOE. RING HAS TO BE LINED UP AND THAN CLY HAS TO BE LOWERD DOWN. REALLY DO NEED TWO SETS OF HANDS. IF YA LOOK AT RINGS, YOU SEE SMALL ENDS THAT LOOK LIKE A GROOVE. THESE HAVE TO BE CLOSED AGAINST PIN INSIDE PISTONS. VERY VERY CRITICAL HERE TO DO THIS RIGHT. 3:16 (yammie tony)
bluemonster1
LIFE MEMBER ONLY ONCE!!!
AND don't put the rings in upside down either..you will know if you do because you won't be able to compress ring to slide back into cylinder..learned that one during my rebuild. 
blue missile
New member
run a hone thorough it also so the new rings will seat in better.