How to do a compression test on a Harley Davidson?

How to do a compression test on a Harley Davidson?

Hold your throttle wide open to allow for as much air as possible to enter the engine for its compression stroke, when the engine is turning. Now, you can turn on your ignition switch and crank the motor over a sufficient amount of time, until the indicator in the compression gauge stops climbing. Record your reading.

How much compression does a motorcycle engine need?

This engine, for instance, should have no less than 90 lbs of compression and the cylinders should not be more than 10% apart from one another. If you suspect that your motor is worn, or damaged; consider a motorcycle compression test before moving forward and disassembling.

Can a twin cam motorcycle do compression test?

In this video, Bob takes us through a compression test on a Twin Cam motor. The motorcycle in this video has sustained damage due to an accident. It is already known that the frame will need to be replaced. It is, also, important to know the status of the motor before moving forward with the overhaul of this motorcycle.

How do you do a compression test on a motorcycle?

A motorcycle compression test is an important starting point to get a good view of the health of an engine. Start your test by removing both, your front and rear spark plugs. Install a compression gauge onto your front cylinder.

Where can I find a 1998 Harley Davidson Softail?

You can list all 1998 Harley-Davidson Softail Custom available and also sign up for e-mail notification when such bikes are advertised in the future. Bikez has a high number of users looking for used bikes.

What kind of compression does a Harley Davidson use?

Compression. Discussion in ‘ Softail Models ‘ started by ausibatla, Oct 25, 2013 . G’day again fella’s. Having only just bought this bike I was wondering if someone can tell me what the compression should be on a 1340 Evo. I have a workshop manual from when I had my 1993 Springer which I am now using for my ’88 Springer.

Where is the compression gauge on a Harley Davidson?

Install a compression gauge onto your front cylinder. Hold your throttle wide open to allow for as much air as possible to enter the engine for its compression stroke, when the engine is turning.