jumpingjoe628 said:Hows the coolant level been? Usually there should be at least a little carbon built up on the dome of the head. Mine did the same thing and it turned out to be a head gasket leak. After warming up the bike for a couple minutes, if I opened the rad cap the coolant would be real brothy and foamy with a slight sweet smell to it. The head might be getting washed off from coolant introducing itself into the combustion chamber. When my bike was only 6 months old I did a topend inspection and there was a little carbon built up on the dome, which is normal. But after I overheated one time when the plastic tee for the rad hoses burst, the head had warped and in turn ruined the cylinder as well. I had to get a new cylinder after it cracked at the base mounts. Just something to think about. Good luck.
Yes, I put a pwk38 on my RMX250, and I was amazed how much cleaner the bike runs and idles, and how much easier it is to get the jetting right. Its a drop-in replacement, and I'd highly recommend it. They came stock on many 250 mx bikes, so they're easy to find on the auction site used if you dont want to cough up the big bucks for a new one -- mine was like $35 off a '97 kx250.. Best to get one with out the powerjet solenoid thing for older bikes like ours, but I've heard you can switch needles to work around that if you need to.SoFlo said:Do people ever put on PWKs from later model bikes on there? I'm sure routing the throttle cable or the cable opening and closing the carb isn't much of a problem? I might do it one day to make things eaisier.
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