Welcome to the TBoltUSA Tech Database! To visit our store, click here, or use the menus at the top of the page.

4 Stroke Ring stack
TBolt USA Tech Database!


TECH-0065


Top to bottom
1. Top ring is the Compression Ring (usually shiny side) "will have a Dot or letter" stamped on it (faces up)

2. Middle Ring is the oil scraper (Thick black) "will have a Dot or letter" stamped on it (faces up)

3. (3) Oil rings actually 2 thin and 1 ridged (wavy) 

Bottom to Top

1 - expander ring - (wavy one) - lower groove
2 - lower oil ring - below above ring in lower groove
3 - upper oil ring - above expander ring in lower groove
4 - install the black one in the center groove
5 - Install the silver one in the top groove (markings on ring should face up)

END GAPS:
Set top ring gap 180 deg at the wrist pin , then evenly spaced at one third intervals 
*Make sure the end gaps of the piston ring are not aligned with one another -evenly space apart or will smoke

Home

Pit bike Buying and Ownership info

Pit Bike Wiring Info

General Motorcycle Maintenance

Identifying Parts, Bikes, and Engines

General Motorcycle Troubleshooting

Pit Bike Installation Info

How Things Work

Parts Diagrams and Breakdowns


99 9