Top End Rebuild Kit 1.00Mm Over 77Mm Compatible With 1989-1991 Sea-Doo Sp 580 Gt 580 Spi 580 Xp 580

OEM PART NUMBERS:
• BRP/Sea-Doo Piston: 290996305
• BRP/Sea-Doo Piston: 420886270

SPECIFICATIONS:
• Type: Top End Rebuild Kit (1.00mm Oversize)
• Standard Bore: 76mm
• Oversize Bore: 77mm (1.00mm Over)
• Stroke: 64mm
• Displacement: 580cc
• Compression: 5.9:1
• Engine: Rotax 587 "Yellow" 2-Cylinder 2-Stroke
• Induction: Rotary Valve
• Cooling: Open-Loop Liquid-Cooled
• HP: 55
• Weight: 5 lbs / Condition: New

KIT CONTENTS (Complete 2-Cylinder):
• (2) Pistons — 1.00mm Oversize 77mm
• (2) Ring Sets / (2) Wrist Pins / (4) Circlips
• Top End Bearings (Wrist Pin Bearings)
• Head Gaskets / Base Gaskets
• Intake and Exhaust Gaskets
• All Required Top End Gaskets

BORE SIZE CHART (Sea-Doo 580 Rotax 587 Yellow 1989-1991):
• Standard: 76mm (010-815-20)
• 0.25mm Over: 76.25mm (010-815-21)
• 0.50mm Over: 76.50mm (010-815-22)
• 0.75mm Over: 76.75mm (010-815-23)
• 1.00mm Over: 77mm (010-815-24) — THIS KIT

APPLICATIONS:
• Sea-Doo SP 580 Rotax 587 Yellow (1989-1991)
• Sea-Doo GT 580 Rotax 587 Yellow (1990-1991)
• Sea-Doo SPI 580 Rotax 587 Yellow (1991)
• Sea-Doo XP 580 Rotax 587 Yellow (1991)

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