Hey guys, I just recently acquired a 92 K5 through a trade for a 93 RM250..... oh yes I did say trade. I got it from a guy that was a new rider and said it had way too much power for him (If that's even possible). Anyways, it is an AWESOME condition and looks to have little use for it's age. I've only had it out for a few hours so far. All I have to say is WOW!!!! This thing pulls like a freight train. I love it! I do have a few questions.
1) I'm looking to "modernize" it's look a little (sorry all you purists). I have already ordered a 2005 kx250 fender as I have read in here that it fits well with a little number plate mod. I'm also going to be doing the 93 250 rear fender mod. Is there anything else you guys have found that works as far as updating it's look?
2) Is there anything that I can do about the massive muffler without quenching any of it's power? I've heard of guys cutting the stock muffler down, but what does that do as far as affecting back pressure and so forth?
3) There is a very flat spot in the low-midrange. It's jetted accordingly for the altitude I ride at with the FMF gnarly I have bolted up, so I don't think it's a jetting problem. I checked the power valve on it and was able to pull it out with minimal force and it felt smooth, and it also opened freely when the engine was revved. Any ideas? I also checked the airfilter which is brand new and oiled appropriately and cleaned out the carb (no obvious obstructions)
4) The suspension is terribly soft (I've heard that is a problem with the K5 being undersprung) I'm 6' 190lbs. I'm looking at haveing Precision Concepts in Riverside, Ca redoing the forks and shock. Has anybody used them? If so, then did it make a large difference? Also curious at a ballpark cost to have them do it.
Thanks in advance for any info you guys can provide. I'm excited to get more accustomed to this bike and to be able to use it to it's full potential. I'm taking it to Glamis this weekend to give it a go and see what she's made of. Thanks again!
Thanks in advance for any help. I'm looking forward to