12 votes

Does the air screw only affect the pilot jet?

An air screw on a Keihin PWL26 only effects the idle circuit of the carburetor. The idle circuit pulls through the pilot jet exclusively. The pilot jet typically can deliver no more than 15% of the ...
  • 32.8k
12 votes
Accepted

What is this pipe coming out of the petrol tank under the seat

It's a gasoline vent tube, serving three purposes. Gasoline vapors can be especially dangerous under pressure (pretty much why it is useful), and as the temperature fluctuates it is safer to relieve ...
  • 2,674
8 votes
Accepted

The Kawasaki H2R Motorcycle has a blower, why doesn't it have an intercooler?

So why are intercoolers used? Running the air through a supercharger is going to make it hot and detonation-prone. The primary benefit of an intercooler is that it reduces the temperature of the ...
  • 39k
7 votes

Missing part on '87 Ninja 600R

There is a hose that connects your air box to this As stated in comments, this is connection point for a PCV hose. The hose connects to the bottom of your air box that attaches to your carburetors. ...
  • 32.8k
7 votes
Accepted

How do I pull error codes from my Kawasaki motorcycle?

How do I pull error codes from my Kawasaki motorcycle? Here are the instructions to pull error codes from your 2001 or later Kawasaki street motorcycle. Step 1 Pull off your seat and near the battery ...
  • 32.8k
7 votes

My ER6 was lowered to accomodate a shorter driver than me. How can I adjust the height?

Background There are very simple linkage components that aftermarket companies manufacturer to lower motorcycles. Here is an example of a component sold to lower the Kawasaki ER6. This is what the ...
  • 32.8k
6 votes

Idling issues on 1995 Kawasaki ZZR600

Possible Answers We were hoping for a little feedback regarding this issue prior to attempting an answer. A few things come to mind regarding the problem description and we'll run through a few of ...
  • 32.8k
6 votes

Carburetted motorcycle stalls when accelerator is applied

A free flow exhaust requires more fuel to the engine The baffles created back pressure in your exhaust system that restricted the flow of the exhaust gasses. When you removed the baffles it allowed ...
  • 32.8k
6 votes

Can't start a Kawasaki GPX 750

Your carbs are clogged with varnish and bad gas The remnants of gas that has evaporated are a gummy hard varnish inside of your carburetors. You have a bit of work to do. You need to completely ...
  • 32.8k
5 votes

Motorcycle petcock leaking around bolts to tank

There is an O-Ring around the base of the mounting surface that rests against the fuel tank itself. See Image The "O-Ring' that you can see in the picture could be the point of failure. If you want ...
  • 32.8k
5 votes

Can't start a Kawasaki GPX 750

It sounds like your carb(s) are plugged and need cleaned. If the fuel in the carbs has ethanol in it, the carbs are going to be caked with crap. The floats could be ruined. There are a lot of things ...
5 votes
Accepted

Motorcycle bogs down under load

You are describing a lean condition The more you open your throttle the more vacuum you are creating in your carburetor venturi and your intake manifold. When you are operating at higher RPM any ...
  • 32.8k
4 votes

Motorcycle with EFI not starting well

This essentially the same answer as your other question related to poor running, thee are instructions on how to pull your Kawasaki error codes. This procedure works for all Kawasaki EFI systems from ...
  • 32.8k
4 votes
Accepted

Kawasaki H2R flames come out of exhaust system

The phenomenon of flames coming out of the exhaust of any vehicle is called a Backfire Basically when you either run rich or lean in the power stroke of the combustion which is not completely burnt , ...
  • 8,926
4 votes

Kawasaki EX650 - What causes a stator to burn out?

A Bad Diode in Your Rectifier Can Allow AC Current into Your System A bad diode in a rectifier will dump AC current into a system. The AC current heats up the stator and the heat destroys the ...
  • 32.8k
4 votes

Where does this oil filter gasket go?

Found it... The small O-Ring goes where the oil filter bolt meets the oil-filter tray.
4 votes

Is my moto's battery dead?

If your motorcycle had never it's battery changed you should consider it being dead. Not being able to charge it could confirm the same. You should be having a new battery installed and if you plan on ...
  • 1,005
3 votes
Accepted

Is there a key code with my Kawasaki

Typically, Kawasaki's have their key code stamped into the ignition switch. Removal of the ignition switch is required in order to view the key code. I believe with Kawasaki's you be required to ...
  • 32.8k
3 votes
Accepted

John Deere LX 266 lawn tractor engine dies

To answer my own question: I contacted another mechanic with this issue who fixed it in no time. I feel quite stupid now... The problem was indeed with the fuel line. The fuel line was clogged with ...
  • 71
3 votes

Kawasaki H2R flames come out of exhaust system

Anarach has provided a good survey of the Backfire (or afterfire in this case, if you're being pedantic) phenomenon. I will attempt to add to that keeping it specific to the H2R. Watch this video, the ...
  • 2,186
3 votes

Motorcycle: Fuel Injection light comes on after 5 mins of riding

Need the FI Error Codes First There multiple possible answers as to why your FI light is on but this is a bit of a guessing game unless you pull codes using the following procedure. This is a ...
  • 32.8k
3 votes

What is this pipe coming out of the petrol tank under the seat

Its a petrol overflow drain pipe. In case if you fill fuel that overflows it ll be drained through that pipe. it may also have internal connection with a pipe with drains rain water or any water that ...
  • 185
3 votes

Is it possible to have a vehicle with no VIN?

It possible to have vehicles that no longer have a VIN despite having one originally since new replacement parts don't have a VIN on them... Motorcycles are worst case since there are so few places ...
3 votes
Accepted

Reconnecting Kawasaki GPX 750 1998 to Keihin G301 carburator

Here are the various connections based upon your images. I have left the label spelling in the image provided the same as the image. They match any misspellings in the three images. Image 1 "I don'...
  • 32.8k
3 votes

Why can't I reinstall my automatic cam chain tensioner?

I know this page is around a ZXE600 but it looks like its the same model setup as a ZZR600 http://www.rjfilms.com/blog/greenmagic/valve-adjustment-kawasaki-zx6e-how-to-diy-step-by-step-instructions/ ...
  • 2,645
3 votes
Accepted

2014 Kawasaki Ninja EX300A Clutch

The kit will consist of Metal Rings, Friction Rings and Clutch Springs. The Metal Rings will have a minimum thickness. The Friction Rings will have a minimum thickness. The Clutch Springs will have a ...
3 votes

2004 Kawasaki Ninja EX250. Power Issues

Followed the cable to my ignition switch and turns out it had unplugged.
3 votes

My 2011 Kawasaki vulcan has absolutely no power to anything electrical ..,

You may have blown a fusible link. I would trace the battery power from the battery along each cable until I found out where the voltage ends.
  • 12.3k
3 votes

New motorcycle missed first service oil change by 4k km...what could be the consequences?

The break in period is very important for any motorcycle engine due to the impact it will have on the REST of it's lifetime. A bad break-in can lead to major wear ( which can be translated to minor ...
  • 1,005
3 votes

Is my moto's battery dead?

The battery being flat could be caused either by the battery being faulty, or the charging system not working. Since the bike runs with a jumper battery connected but dies when disconnected, I ...

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