21 docs tagged with "specs"

cable spec

Common Chain Size for Pit Bikes

Many parts designed for 50cc pit bikes are compatible with the Honda CRF50, and vice versa. To ensure compatibility, the frame of your motorcycle should closely resemble that of a CRF50.

Measure the exposed length of the cylinder to determine the cylinder hight.

Pit bike engines are fundamentally derived from the Honda 70 series engines. These engines are currently utilized in Honda CRF50 and CRF70 models. The primary motor mounts and the four lower mounting points, known as peg mounts, are consistent across all pit bike engines. These engines are compatible with all Chinese pit bikes and most older or current Honda models equipped with horizontal OHC engines, excluding the KLX110 and DRZ110.

| Inches | Millimeters |

To ensure the correct fit when acquiring new forks or components, precise measurements in millimeters (mm) are essential. Follow these steps to obtain the necessary dimensions:

Please see what size banjo bolt or threaded line it takes 8mm (10mm wrench) or 10mm (12mm wrench).

How to see what front brake system will fit your Pit bike. Measure Your bike.

China Pit bikes are equipped with two distinct types of front sprockets, also known as countershaft sprockets. The majority of pit bikes utilize a standard or smaller shaft, measuring 17mm/14mm. This specification is common among various models, including:

Bearings are characterized by three primary dimensions: the inner diameter, the outer diameter, and the width. These measurements are always specified in metric units.

In accordance with industry standards, the measurement of a bolt is taken from the shaft, not the head.

To test your wheel bearings put the bike a a stand or secure it , grap the tire here Move it from side to side, worn wheel bearings will allow the wheel to move and can also cause a wobble when riding.

Overview

To determine the size, measure the outer diameter (OD) of the filter end of the carburetor. Illustrated here is a typical Pit bike 22mm Mikuni carburetor. The OD of the filter end measures 1.5 inches or 38mm.

Jetting Technique:

Step 1: Measure the Cylinder Bore and Piston Outer Diameter

How to see what rear master cylinder will Fit your Pit bike. Measure Your bike. Please measure the mounting bolt spacing center to center.

LXR and CRF50-style Frames

Here are the torque specifications for critical fasteners on your pit bike:

For most pit bikes, the following valve clearance settings are typically suitable: