13925 Rotax 503 Decarbon Kit Everything needed to perform a top end decarbon job. (Inspection required every 150 hours as per Rotax Scheduled Maintenance Chart) Instruction book gives step-by-step instructions as well as advise on determining why and when parts need to be replaced. Rebuild & DeCarbon Kit Included in this kit: 2 215-235 Top Ring std. 2 915-850 Bottom Ring std. 4 945-735 Circlip 2 831-881 Head Gasket 2 831-855 Base Gasket 4 831-866 Intake Gasket 4 831-841 Exhaust Gasket 1 14003 Cageless Tool 1 Part #47 Complete Instruction
