CYLINDER SLEEVE 83-84 MAICO 490 86.5mm VINTCO SLM04B
VintCo SLM04B cast iron cylinder sleeve for 1983-1984 Maico 490 models. Manufactured in the USA, this sleeve is designed to restore worn or damaged cylinders and comes with installation dimensions for experienced machinists. Features modern manufacturing methods for OEM-equivalent fitment and performance, correctly angled ports to reduce port-matching work, and can be bored and honed to suit the stock-size VintCo piston kit. Specifications: VintCo Part Number SLM04B, compatible piston part number PSM04-00, material cast iron, country of manufacture USA, bore 86.5 mm, height 156.8 mm, outside diameter 94.5 mm, flange outside diameter 100.2 mm, flange height 5.1 mm, wall thickness 4.8 mm, intake 33.2 mm, exhaust port location 45.8 mm. Weight 1232 grams.
- SKU
- VIN-SLM04B
- Brand
- Vintco
- Availability
- Out of Stock
FULL DESCRIPTION
VintCo Replacement Cylinder Sleeve for Vintage Maico 490
Restore your vintage motorcycle's performance with this high-quality cast-iron cylinder sleeve from VintCo. Designed specifically for 1983-1984 Maico 490 models, this sleeve is the ideal solution for worn or damaged original cylinders. Manufactured in the USA with modern techniques, it ensures an OEM-equivalent fit and reliable performance.
The VintCo SLM04B cylinder sleeve features precisely angled ports to minimize the need for extensive port-matching during installation, saving you time and effort. It is engineered to be bored and honed to precisely match the dimensions of the stock-size VintCo piston kit, allowing for a perfect rebuild.
Key Features:
- Direct replacement cylinder sleeve for vintage Maico 490 engines.
- Designed for 1983-1984 Maico 490 models.
- Essential for rebuilding engines with worn or damaged cylinders.
- Features accurately angled ports to reduce port-matching labor.
- Can be bored and honed to accommodate the stock-size VintCo piston kit.
- Installation dimensions are included for professional machinist fitting.
Specifications:
- Material: Cast Iron
- Bore Diameter: 86.5 mm
- Height: 156.8 mm
- Outside Diameter: 94.5 mm
- Flange Outside Diameter: 100.2 mm
- Flange Height: 5.1 mm
- Wall Thickness: 4.8 mm
- Intake Port Size: 33.2 mm
- Exhaust Port Location (from bottom): 45.8 mm
- Country of Manufacture: USA