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SKU: RCS07750 | UPC: 193564176509
Wiseco 77.5mm Bore Ring Compressor Sleeve RCS07750 for 1985-2000 Yamaha XT350 1990-1999 Suzuki DR350 1983-1985 Kawasaki KX250 1983-1990 Suzuki LT300 1990-1996 Suzuki DR250
Wiseco ring compressor sleeves are forged in-house in the USA and provide a precision solution to assist in your high-performance engine build. This 77.5mm bore sleeve fits Yamaha XT350 Suzuki DR350 Kawasaki KX250 Suzuki LT300 QuadRunner Suzuki DR250 and similar models with matching bores. It evenly compresses piston rings during installation to prevent damage and ensure a proper seal for reliable engine performance.
Key Features
- Forged 6061-T6 Aluminum: Delivers strength and light weight to withstand repeated use in demanding engine assemblies
- Precision CNC Machined: Matches 77.5mm bores exactly for smooth piston drop-in without ring flare or distortion
- Hard Anodized Finish: Protects against scratches corrosion and wear during installations
- Made in USA: In-house forging process ensures tight tolerances and consistent quality
- Universal Tool Design: Works with standard Wiseco oversized pistons and aftermarket kits for 77.5mm cylinders
Product Notes
- Pair with ring expander tool for easiest ring seating
- Store in dry area to maintain anodized surface integrity
- Compact design fits in standard tool kits for on-site builds
Installation Notes
- Professional installation recommended.
- Lightly lubricate piston rings and sleeve interior with assembly lube before use
- Compatible with all standard piston ring sets for 77.5mm bores no special hardware needed
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1985-2000 | Yamaha | XT350 | All |
| 1990-1999 | Suzuki | DR350 | S SE |
| 1983-1985 | Kawasaki | KX250 | All |
| 1983-1990 | Suzuki | LT300 QuadRunner | E |
| 1990-1996 | Suzuki | DR250 | All |
Why Choose Wiseco?
- Proven leader in powersports pistons and engine tools
- Focus on forged components for real-world durability
- Expert engineering tailored to performance rebuilds
Frequently Asked Questions
-
Q: Does this sleeve work with stock 77mm bores using oversized pistons?
A: Yes it fits 77.5mm precisely ideal for 0.5mm overbore kits on listed models and similar engines -
Q: What material and finish does it have?
A: Constructed from forged 6061-T6 aluminum with hard black anodizing for maximum protection -
Q: What warranty applies to this tool?
A: Wiseco provides a limited lifetime warranty on manufacturing defects when used as directed
Shipping &. Handling
- Method: UPS Ground or USPS Priority
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 6 x 4 x 2 inches
- Weight: 0.15 lbs
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