Using a Ridge Reamer Using a Ridge Reamer

What You'll Need
Ridge Reamer
Motor Oil
Wrenches
Old Towel

A ridge reamer is used to remove ridges that are at the top of an engine’s cylinder wall. The reason you would need one is because a ridge makes it hard to get the pistons off without damaging them.

Step 1: Oil Up

Use the motor oil to lubricate the walls of the cylinder and the ridge reamer. You need to use a lot of oil on both. This is crucial to your success.

Step 2: Adjust Ridge Reamer

Set the reamer all the way into the cylinder and adjust it to the correct size. It will need to be adjusted to the right height, as well as the width of the cylinder.

Step 3: Cut the Ridge

Start to turn the reamer by hand. As you turn it, the sharp blades will start to cut the ridge. If it stops cutting, you will need to adjust it. Continue to turn until the cylinder is smooth and the ridge is gone.

An important thing to do is to make sure that you really need to use the reamer at all. Sometimes the ridge is just a buildup of carbon that can be removed with some scrubbing. It is important that you take your time when using the ridge reamer. This just protects your engine.

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