OEM PART NUMBERS:
• BRP/Sea-Doo: 290-888-577 / 290888577
• BRP/Sea-Doo: 420-888-577 / 420888577
SPECIFICATIONS:
• Type: Top End Rebuild Kit (Standard Bore)
• Bore Size: 78.00mm Standard (3.071")
• No Boring Required — Light Hone to Break Glaze
• Engine: Rotax 657 (First Generation 650cc)
• Displacement: 649cc (Marketed as 650cc)
• Configuration: 2-Cylinder 2-Stroke
• Bore × Stroke: 78mm × 68mm
• Weight: 5 lbs
• Condition: New
KIT CONTENTS (Complete 2-Cylinder Top End):
• (2) Cast Pistons with Ring Sets (Japanese RIK Performance)
• (2) Wrist Pins / (2) Wrist Pin Bearings / (4) Circlips
• Complete Gasket Set (Head, Base, Exhaust Gaskets)
• All O-rings and seals needed for top end rebuild
BORE SIZE CHART (Sea-Doo 650/657):
• Standard: 78.00mm (010-816-20) — THIS KIT
• 0.25mm Over: 78.25mm
• 0.50mm Over: 78.50mm
• 0.75mm Over: 78.75mm
• 1.00mm Over: 79.00mm
APPLICATION:
• Sea-Doo XP 650 (1993) — Rotax 657 engine ONLY
PRODUCT NOTICE:
As a parts distributor we mostly sell aftermarket parts (any OEM parts would be noted as such). Aftermarket parts are not sourced from the original vehicle or equipment manufacturer, but are designed to function the same as - if not better than - the original. All parts sold are new.
WARNING - This product may expose you to chemicals which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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