Top End Gasket & O-Ring Kit 96 97 For SeaDoo 1996 1997 GSX GTX XP SPX 787 800

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Key Features

  • Complete Top-End Restoration: Premium-grade gasket and O-ring set engineered specifically for a comprehensive top-end rebuild, restoring reliable factory compression and liquid-tight seals.

  • High-Grade Materials: Fabricated from premium, high-density sealing compounds and specialized temperature-resistant rubber O-rings designed to withstand intense marine engine heat and constant moisture exposure.

  • Precision Mechanical Fit: Cut to exacting factory dimensions to ensure a reliable structural seal across all cylinder head, base, and manifold mating surfaces.

⚠️ CRUCIAL FITMENT & BUYER NOTICE

To ensure proper fitment and prevent ordering errors, please check your engine displacement and fuel system delivery type before purchasing:

  • Engine Target: This kit is designed ONLY for 787cc / 800cc Carbureted 2-Stroke SeaDoo engines.

  • ❌ NOT Compatible With: RFI (Rotax Fuel Injection) or DI (Direct Injection) engine configurations. Please strictly verify your vehicle's fuel delivery layout prior to placing your order.

Fitment & Compatibility Guide

Specifically engineered as a direct replacement gasket kit for the following SeaDoo Personal Watercraft (PWC) and Jet Boat models:

Vehicle Classification Model Designation Specific Compatible Years Required Engine Spec
Personal Watercraft (PWC) XP 800 / XP 1995, 1996, 1997 787 / 800 Carbureted Only
GSX 800 / GSX 1996, 1997, 1998 787 / 800 Carbureted Only
GTX 800 / GTX 1996, 1997 787 / 800 Carbureted Only
SPX 800 / SPX 1997, 1998, 1999 787 / 800 Carbureted Only
Jet Boats Challenger 800 1996, 1997, 1998 787 / 800 Carbureted Only
Challenger 1800 1997, 1999 787 / 800 Carbureted Only
Speedster 800 1998, 1999 787 / 800 Carbureted Only

Package Includes

  • 1 × Complete Top End Gasket & O-Ring Set (Includes cylinder head O-rings, cylinder base gaskets, intake/exhaust manifold gaskets, and structural valve seals).

    (Note: All included components are exactly as displayed in the primary product imagery; printed installation manuals are NOT included).

Important Installation Notes

  • Surface Preparation: Ensure the engine block, cylinder walls, and cylinder head mating surfaces are completely clean, flat, and free of old gasket residue, varnish, or scoring marks before installing new seals to ensure a leak-proof bond.

  • Torque to Factory Specification: Always refer to your factory marine service manual for correct multi-stage torque sequences and specification values when re-bolting the cylinder head to prevent gasket blow-by.

  • Professional Installation Recommended: Rebuilding the top end of a 2-stroke marine powertrain demands high precision and technical knowledge. Professional installation by a certified marine mechanic is highly advised.