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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
whats your diagnosis based on these pics?
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[QUOTE="whenfoxforks-ruled, post: 1387259, member: 73147"] The first 2 pics kinda stunk like a tincture of coolant was in the mix, the head pic to me, confirmed it had been burning a small amount of coolant, got worse, and or overheated to the point the stupid p&$ Suzuki o ring head gaskets failed, and air helped finish her off, by a hotter than required flame front, not unlike a plasma cutter(except premix and coolant with a little extra kicker of fresh air) blowing, almost entirely the exhaust side of the piston crown off. Besides, I am pretty sure if that was just hard core detonation, that colored goo on the roof of the combustion chamber, would have fell off, there would have been no discolorations on the head and cylinder top, (bet the dis-colored area matches?), and the plug looked intact, you could have changed it before it died, but that much damage if it was detonation, would have destroyed that plug. IMO, and rusty remembrance of the mid to late 90's. And, the rant about the 85 being a less than great bike, I had one, the head gasket issues made cr's seem like child's play, sorry. It will probably get better, hope you call Eric and send him all the stuff. He likes looking at what happened also! He does not require the long story, just fix it and how fast you want it to go, till he sees the damage himself, rough call on the price. Be real about your needs though! How is the bottom end while you are at it? It got hot also, maybe not as intense, but? Wiseco and quality parts for the whole motor. Best of luck, Vintage Bob [/QUOTE]
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MX, SX & Off-Road Discussions
Dirt Bike Mods & Maintenance
whats your diagnosis based on these pics?
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