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Message: [QUOTE="metalhead, post: 1247929, member: 82336"] :bang: ok,, would riding in the cold screw up your bike? i have an 87 rm 125 and just spent 1300$ on it doing a total top and bottom end rebuild on it,, and i put 5 hours on the new engine going slow,, i haven't even had it full throttle,, so i'm going down the road in 6th with half throttle,, i slow down,, and then i try to pick up speed,, and then its like i'm driving while holding the brakes,, i got about 5 meters and slowed down and it stalled,,, i called the shop and he said i melted my piston? wtf can some one explain how i did this? the bike wasn't even hot when i stopped? :bang: [/QUOTE]