CYLINDER SLEEVE 81-81 YAMAHA YZ 80 49mm VINTCO SLY12A
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Replacement cylinder sleeve for vintage Yamaha YZ80 applications, fits 1981 Yamaha YZ80. Made for VintCo by Advanced Sleeve in the USA to help restore worn or damaged original cylinders. Ports are angled to reduce port-matching work. Can be bored and honed to suit the stock-size VintCo piston kit. Intended for installation by an experienced and qualified machinist. VintCo Part Number: SLY12A. Piston Part Number: PSY12-00. Material: Cast iron. Bore: 49 mm. Height: 99.7 mm. Outside diameter: 59.7 mm. Flange outside diameter: 62.9 mm. Flange height: 3.8 mm. Wall thickness: 5.7 mm. Intake: 20.5 mm. Exhaust port location: 21.6 mm.
- SKU
- VIN-SLY12A
- Brand
- Vintco
- Availability
- In Stock (1)
Fitments (1)
| Make | Model | Year |
|---|---|---|
| YAMAHA | YZ 80 | 1981 |
- SKU
- VIN-SLY12A
- Brand
- Vintco
- Availability
- In Stock (1)
FULL DESCRIPTION
VintCo Cylinder Sleeve for Vintage Yamaha YZ80
Restore your classic motorcycle with this high-quality replacement cylinder sleeve designed specifically for the 1981 Yamaha YZ80. This sleeve is the perfect solution for rebuilding original cylinders where sourcing complete replacements can be challenging. Crafted in the USA by Advanced Sleeve for VintCo, it utilizes modern manufacturing techniques and materials to ensure durability and performance.
This cylinder sleeve is engineered to simplify the rebuilding process. The port angles are strategically designed to minimize the need for extensive port-matching work, saving you time and effort. It can be precisely bored and honed to accommodate the stock-size VintCo piston kit, ensuring a perfect fit and optimal engine function.
Key Features:
- Direct replacement cylinder sleeve for vintage Yamaha YZ80 motorcycles.
- Specifically designed for the 1981 Yamaha YZ80 model.
- Manufactured in the USA by Advanced Sleeve for VintCo.
- Ideal for restoring worn or damaged original cylinders.
- Optimized port angles reduce the requirement for port-matching.
- Bore and hone compatible with stock-size VintCo piston kits.
- Intended for installation by an experienced and qualified machinist.
Specifications:
- Material: Cast iron
- Country of manufacture: USA
- Bore: 49 mm
- Height: 99.7 mm
- Outside diameter: 59.7 mm
- Flange outside diameter: 62.9 mm
- Flange height: 3.8 mm
- Wall thickness: 5.7 mm
- Intake port diameter: 20.5 mm
- Exhaust port location: 21.6 mm
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Check the fitment table on this page against your make, model and year. Not sure? Call or email us and we will check it for you before you order.
Yes. We ship from the UK. Orders ship within 3 working days, then delivery to the United States takes 5–8 business days. The delivery price is shown at checkout before you pay. Delivery details
Yes. You have 14 days from delivery to return it, unused and in its original packaging. Contact us first and we will send you the return instructions. Returns policy
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