PDA

View Full Version : engine specs


matthewb20
03-03-2008, 07:50 PM
i was wondering if anyone had the specs on stock piston and ring clearance, im replacing rings and was wondering what the clearance range is for stock rings
250X_project
03-08-2008, 10:33 AM
What's the machine??
matthewb20
03-08-2008, 04:21 PM
04 400 ex
FoxMxRiders
03-08-2008, 05:01 PM
This is for 99-03 but the engine is the same.

Piston OD : 84.960 - 84.985 Service Limit : 84.880

Top Ring End gap : 0.20-0.35 Service limit : 0.50
Second Ring End gap : 0.35-0.50 Service limit : 0.65
Oil Ring end gap : 0.20-0.70 Service limit : 0.90

Piston to Cylinder clearance : 0.015-0.050 Service limit : 0.10

Note : All Specs are in mm