DuraTrax O.S. Max .12 Series R/C Engine Piston/Cylinder Assembly Installation Manual

About this manual

This manual provides step-by-step instructions for installing a new DuraTrax piston/cylinder assembly into an O.S. Max .12 Series R/C engine. It covers the necessary tools, lubrication requirements, and the specific disassembly and reassembly procedures required to complete the replacement.

What's inside

• Tools Required
• Disassembly
• Re-assembly
• Lubrication
• Cylinder Head Installation
• Rear Cover Installation
• Recoil Starter Installation

Frequently asked questions

What lubricant should be used to clean and coat the engine parts?

You must use alcohol or fresh, clean fuel to rinse parts, and after-run oil or a similar lubricant for coating.

How should the cylinder head bolts be tightened during re-assembly?

Tighten the four bolts evenly until they are just snug using a small amount of pressure.

What specific alignment must be checked when installing the cylinder liner?

The notch in the top of the liner must fit over the pin in the top of the crankcase.