How to change the rake on a motorcycle

How does rake affect motorcycle handling?

Rake is the angle in degrees of arc which the headstock of the motorcycle is inclined when compared against a vertical line drawn perpendicular to the ground. … Conversely, a larger rake angle requires more effort to turn but tends to make the motorcycle more stable at high speeds and helps maintain a straight course.25 мая 2017 г.

How is a motorcycle rake determined?

Raise the bike to an upright position, using a tape measure, hold the tape straight down from the front axle to the floor. Put a mark on the floor at that point. Then place the tape parallel to the steering neck, following the angle of the steering neck all the way up to the floor. Put a mark here also.

How do you lower the trail on a motorcycle?

To decrease rake, which also decreases trail, you can install a smaller diameter tire, or slide the fork tubes up in their clamps to give them a steeper angle—a trick many racers use to make their bikes turn quicker—or install longer rear shocks.

Does lowering a motorcycle affect the handling?

Effects on Handling

“When you lower a bike, you also lower its center of gravity, so it’ll handle a bit better in certain circumstances,” says Langley. “The negative is that your initial ground clearance is decreased. Things you used to clear, like curbs or speed bumps, might now be a problem.”

What is a good lean angle on motorcycle?

If I use a coefficient of 0.7, this would give a lean angle of 35 degrees. However, racing motorcycles can lean over 60 degrees.

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How does wheelbase affect motorcycle handling?

The longer the wheelbase, more the stability and less the maneuverability; smaller the wheelbase, less the stability and more the maneuverability. … The ground clearance also plays an important role in the handling of the bike, hence even that has to be considered when playing with the wheelbase of the bike accordingly.

How does rake affect car handling?

1) When you change rake, you are moving a VERY SMALL amount of weight. That has almost no effect on handling. 2) When you change ride height (rake) you are moving the roll center and CG. If you started at the ideal point for front and rear grip, changing the roll center reduces grip on that end.

What is the rake on a fork?

To understand fork rake, imagine a straight line continuing from the centre of the fork’s steerer tube all the way to the ground. The amount that the fork is offset from this imaginary line is known as fork rake in road bikes, or fork offset in mountain bikes.

How is wheelbase measured on a motorcycle?

Wheelbase. Wheelbase is the horizontal distance between the centers (or the ground contact points) of the front and rear wheels. Wheelbase is a function of rear frame length, steering axis angle, and fork offset.

What is the rake angle on a motorcycle?

Rake is often called fork angle, but that is a misnomer. Rake is the angle, in degrees, that the steering head of the frame—not the forks—is tilted back from the vertical. For example, the rake angle on all the Harley-Davidson Touring models is 26 degrees.

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What is the stock rake on a Harley?

the rake is the angle of the neck and a vertical line. if the bike hasn’t been altered should be easy to figure out. and you can now order triple trees to get the desired rake without chopping.

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