Kermit Tuning

Kawasaki Ninja 250 Dynojet

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DYNOJET DYNO JET KIT KAWASAKI NINJA 250 250R STAGE 2    US $67.95

KAWASAKI NINJA 250 250R 08 09 DYNOJET STAGE 2 JET KIT    US $73.95

KAWASAKI 250R 250 NINJA DYNOJET JET KIT 2008 2009    US $69.99

KAWASAKI EX250 NINJA DYNOJET JET KIT EX 250 86 87    US $106.99

HMF Kawasaki Ninja 250 08 Yellow Slipon Dynojet KN    US $349.95

HMF Kawasaki Ninja 250 08 Carbon Fiber Dynojet KN    US $449.95

Dynojet Jet Kit Kawasaki Ninja 250 08 09 US only    US $74.95

Dynojet Stage 1 Jet Kit Kawasaki Ninja 250R 250 08 09    US $71.48

KAWASAKI 250R 250 NINJA DYNOJET JET KIT 2008    US $74.99

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KAWASAKI NINJA 250 250R 08 09 DYNOJET STAGE 2 JET KIT List Price: $0.00 Sale Price: $66.48 Kawasaki Ninja 250R - 2008 / 2009 Dynojet part # 2193 Brand New Item in Original, Factory Packaging! Includes - # 2 Main Jets DJ094 # 2 Main Jets DJ096 # 2 Main Jets DJ098 # 2 Main Jets DJ100 # 2 Fuel Needles DNO308 # 2 E-clips DE0001 # 4 Adjusting Washers DW0001 # 1 Plug Drill DD 5/32 # 1 Screw DS0001 Maximize Performance, Increase Horsepower , Easy Installation!!! Each Dynojet Jet Kit comes with easy to follow installations instruction & testing procedures to ensure a perfect setup every time...



88-07 Kawasaki EX250 Ninja 250 Dynojet jet kit 1 & 3 - Part No. 2138 List Price: $85.65 Sale Price: $71.30 Dynojet jet kits increase horsepower, improve throttle response, smooths out powerbands and in many cases improve gas mileage as well. Since most carbureted motorcycles, dirt bikes and even ATVs have to pass some type of smog test by the manufacturer, they can be 'choked up' stock and a jet kit is just the answer to breathe more life into your ride...



Dynojet Research STG-3 JET KIT, KAWEX250 Jets Jet KitKawasaki EX-250 Ninja (86-89) - 2117 List Price: $85.95 Sale Price: $85.65 Photos are for reference only. Please read item title carefully as the manufacturers part number is the item you will receive.

Kawasaki ninja 250 headers glowing?

I have a 2009 Kawasaki ninja 250 with a dynojet stage 2 kit (DJ98 main jet, airbox snorkle removed, and K&N filter) and a full yosh system. if i run the bike while in the driveway and rev to 5000-7000 rpm, the headers begin glowing- is this normal? the bike runs wekk at all speeds,but i dont want lean condition. shouldi fatten up the mains? suggestions. - feel free to refrain from the "why are you modding a 250" cracks - i have 4 other bikes. Thanks.

I think everyone else has jumped to the most obvious conclusion, which is most likely wrong. Most Japanese factory exhaust systems have dual wall pipes on the headers to keep the pipes from getting hot and discoloring the chrome, turning it blue or gold. Many other manufactuers use singlewall pipe, even the expensive ones. Look at any BMW, old Norton or Triumph and many Harleys and you'll see the discoloration. Most aftermarket exhaust systems are singlewall as well, which is how they get more flow capacity with the same outside diamater pipe.

Since you have a complete Yoshimura exhaust, I expect that's the cause...single wall pipes. If the bike runs well, doesn't stagger, stumble, knock or ping and seems to have adequate power delivery without flat spots, then I wouldn't worry. Now if the Yoshi system does have double wall header pipes, them take the advice of the others.

Ninja 250 (Two Brothers Exhaust)