SKU: PK1818
Contains all the necessary components for overboring or rebuilding your top end.Feature forged pistons, rings, wrist pins, circlips and top end gasket set SPECIFICATIONS.Displacement: 493cc.Bore - Actual: 87.50mm.Bore - Oversize: .50mm.Stroke: 82.00mm.Cylinders: 1.Bore Range: 87.00mm.Note: Pro-Lite.ITEM CONTENTS.3445TD - 87.50 mm Ring Set.546M08750 - Yamaha YZ490 84-90,WR500 92-93 3445TD.B1014 - Top End Bearing 18 x 23 x 21.8mm.CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR).S277 - PistonPin 18mm x 2.579in. NonChromed TW.W5286 - TopEndGsktKit Yam YZ/WR 490/500 84-93
| Weight | 1 kg |
| SKU | PK1818 |
| Name | Top End Kit - 0.50mm Oversize to 87.50mm |
| Description |
Top End Kit - 0.50mm Oversize to 87.50mmSKU: PK1818 Contains all the necessary components for overboring or rebuilding your top end.Feature forged pistons, rings, wrist pins, circlips and top end gasket set SPECIFICATIONS.Displacement: 493cc.Bore - Actual: 87.50mm.Bore - Oversize: .50mm.Stroke: 82.00mm.Cylinders: 1.Bore Range: 87.00mm.Note: Pro-Lite.ITEM CONTENTS.3445TD - 87.50 mm Ring Set.546M08750 - Yamaha YZ490 84-90,WR500 92-93 3445TD.B1014 - Top End Bearing 18 x 23 x 21.8mm.CW18 - ROUND WIRE PIN LOCKS 18MM (PAIR).S277 - PistonPin 18mm x 2.579in. NonChromed TW.W5286 - TopEndGsktKit Yam YZ/WR 490/500 84-93
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