Find parts for the 1971 Yamaha XS1B, the second-year XS650 model and one of the early bikes in Yamaha’s parallel-twin lineup. This collection brings together parts tagged for the 1971 XS1B, including engine, carburetor, electrical, brake, clutch, cable, exhaust, gasket, suspension, wheel, lighting, and restoration components.
The 1971 XS1B shares some parts with the 1970 XS1 and 1972 XS2, but early XS650 models can still have year-specific details. Use this page as your starting point, then confirm final fitment on the individual product page before ordering. This is especially important if your bike has swapped parts, aftermarket carburetors, custom wiring, or mixed-year components.
Float Bowl O-Ring. This Float Bowl O-Ring fastens, drains, or seals the carburetor float bowl where fuel level and gasket sealing are critical.Use this...
Compression Tester - 18mm. This 18mm compression tester threads into the spark-plug hole so cylinder pressure can be checked during engine diagnosis.Use it when...
Dellorto K5 Slide Needle. This Dellorto K5 Slide Needle controls mid-throttle fuel delivery as the slide needle moves through the needle jet.Use this dellorto...
Carb Sync Gauge Set. This Carb Sync Gauge Set compares intake vacuum between carburetors so a multi-carb rack can be synchronized.Use this carb sync...
Hook Wrench. This Hook Wrench turns slotted collars, lock rings, and adjustable suspension or steering-style rings without driving them with a punch.Use this hook...
Cam Chain Breaker/Riveter Kit. This Cam Chain Breaker/Riveter Kit fits the cam chain or tensioner mechanism that controls chain slack between the crankshaft and...
Spring Puller. This Spring Puller hooks stand, brake, exhaust, and return springs so they can be stretched into place with control.Use this spring puller...
Terminal Crimper Tool. This Terminal Crimper Tool creates the metal wire connection inside a motorcycle harness connector.Use this terminal crimper tool to repair loose,...
Muffler Reducer Sleeve Set. This Muffler Reducer Sleeve Set replaces or adapts the muffler section where inlet diameter, outlet style, length, and mounting clearance...