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klxandy

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About klxandy

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    TT Newbie

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    British Columbia
  1. klxandy

    08 WR450 Chain Slap

    There is some factory foam on the top and bottom of the chain guard. You will noticed the swingarm is getting worn under the chain guards as the chains slaps it against the top of the swingarm. Buy some 3/4" wide thin foam rubber with sticky on one side (I use pro-form) and stick it in the chain guard plastic with the non-sticky side facing the swingarm. This will competely eliminate your chain slap until the foam wears out again. I have a roll and change it out every few rides. It is a poor design but Yamaha knows about it as they install the foam on the chain guard from the factory. There is even a cut out on the guard where the foam stops.
  2. klxandy

    315s RULE

    On a dyno the 315 would NOT have the low end of a big bore, and is short 10 HP on top too...no replacement for displacement! Just imagine a 400-450 big bore kit for the little 250! NOW we are talking!
  3. After ALOT of trial and error, here is my jetting settings for 2006 KLX250S: Dynojet kit, KLX 300. KLX 300 offroad pipe & muffler, no butt plug, no airbox lid. 128 MJ, dynojet needle in 2nd position (from top), lean floats at 1 MM lower (increase distance from stock), STOCK pilot jet (35) at 2.25 turns out. This gives the best top end, midrange and bottom power. I run 13/42 gearing....highway cruise at 90 KPH at 6K RPM. Top speed is 150 KPH (on speedo). The GPS showed around 135 KPH or 85 MPH. The bike is killer in tight trails/two track. Not bad in more open stuff, just don't expect to pass any 400/650s. Andy.
  4. klxandy

    06 KLX250s Mods and Compatability

    After ALOT of trial and error, here is my jetting settings for 2006 KLX250S: Dynojet kit, KLX 300. KLX 300 offroad pipe & muffler, no butt plug, no airbox lid. 128 MJ, dynojet needle in 2nd position (from top), lean floats at 1 MM lower (increase distance from stock), STOCK pilot jet (35) at 2.25 turns out. This gives the best top end, midrange and bottom power. You get slight popping on decel, but overrall the best settings. I run 13/42 gearing....highway cruise at 90 KPH at 6K RPM. Top speed is 150 KPH (on speedo). The GPS showed around 135 KPH or 85 MPH. The bike is killer in tight trails/two track. Not bad in more open stuff, just don't expect to pass any 400/650s. Andy.
  5. klxandy

    06 KLX250s Mods and Compatability

    I got the parts used, and they included a 300R gas tank (10L/2.6G) 300R shouds (w/graphics), 300R petcock, and cap. I also got the strap which replaces the bolt at the bottom (near the seat) part of the tank. I didn't try the stock petcock, but it looks like it may not fit. The 300R petcock mounts directly to the tanks, whereas the 250S one mounts on hoses that lead up to the tank. One hose is for the main/one is for the reserve. The seat mounts up to the tank perfectly. I used bolts with some hose/zap strap to plug the smog equipment. I found a fan that is made by: Comair-Rotron Model#: FT12B4-E2 Part#: 039271 Size: 25.4 MM X 120 MM. (1" X 4.72") 12V DC, ball bearing, 2950 rpm, 90 CFM, 4.1 Watts, Enviroshield Type 2. This fan mounts perfectly behind the 300R tank, and runs with the stock wiring. It comes on and turns off within 10 secs or so to cool the bike back to temp. My next thing will be to find a big-bore kit, if it doesn't sacrifice reliablility too much. I knew nothing about this bike when I bought it but I am figuring it out one mod at a time. I am happy most of the 300R parts bolt up so easily. Kawasaki has a real good thing going with this machine. I am loving it! Any more questions just ask.
  6. klxandy

    06 KLX250s Mods and Compatability

    I have a 2006 KLX250S in Victoria, BC, Canada. I have done the following: Install 300R stock tank, header, and exhaust. Remove smog hoses/block off etc. Remove airbox lid. 13/42 gearing. Rejet using 300R Dynojet jet kit. I used a 128 MJ and the needle in the 4th (from top) position. This is sea-level jetting. Works great, power wheelies in 3rd gear now possible with a tug on the bars. The gearing is still a bit off for trails, second is a bit tall. But, cruising at 120kph on highway doeable. The 300R tank required removal of the fan, and cutting of the tabs used to hold wiring under stock tank. I had to relocate the stock wiring behind the rad hoses, and run the wires around the right and left hand side of the bike to the rear. It was worth it for the extra capacity, but a bit of work. If you have any more questions I would be happy to help. Andrew
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