Motorcycle Repair: KLR 250, kawasaki klr 250, cam follower

26 Янв 2015 | Author: | Комментарии к записи Motorcycle Repair: KLR 250, kawasaki klr 250, cam follower отключены
Kawasaki KLR 250

Motorcycle Repair / KLR 250


I have a 1999 Kawasaki KLR 250 sport. The bike starts on 1st or kick, idles great and like you would expect. traveling, 1st through 4th are great, 5th ok on level ground or downhill and 6th only maintain 60 mph unless downhill.

Others report bike has no problem running 75 on the and when I first got it, I had no problem, one day this started.

I have the carb apart so many I could do it in my sleep, boiled it, it and still no change. Put a new coil, plug and spark plug on. Checked and rechecked all connections for or bare wire, set the valves, fuel flow and removed the housing to verify all is connected

Compression is around 110 and does not I am at my wits end and don’t know to look.

I also notice as I go rough roads I get an intermittent but cannot find any loose

Please help!


Hi Stan,

Engine power is related to size and the inflow and

of air. Your bike has a unit which may be

worth at as lower compression equals power.

Your reading of 110 psi is if the decompressor is

working but low if that is the compression.

Another power is a narrowed or plugged exhaust

or air intake tract. Anything lowers the flow

of air through the engine will power.

This includes air around the carb mounting

Lowered compression or air flow the engine

must be considered with carburetor condition.

The thing that affects the of air/fuel

is the opening and duration of the

A worn camshaft lobe or cam can cut down the valve

opening and so there is less fuel into the engine.

In the ignition the ignition timing and

advance are Even if the timing is spot on

at idle it may not be getting the proper

at higher speeds. Some have mechanical advance

Kawasaki KLR 250

Most later bikes electronic advance

built the pulse and CDI system.

This can be checked with a timing

Some bikes have the and advance timing marked.

The F is usually the idle timing

When you speed up the engine the marks

should change as it automatically the ignition timing.

The KLR was built for low torque so intake and exhaust

are smaller. High speeds a fast flow

of air so performance are less restrictive

and bigger provide more fuel/air as

Gearing can also be lowered to more power.

Your can provide clues as to what is

inside the combustion chamber by the spark

plug at various openings.

If your bike is running too fuel/air the plug will be

Kawasaki KLR 250
Kawasaki KLR 250
Kawasaki KLR 250
Kawasaki KLR 250
Kawasaki KLR 250

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