Engine parts for the 1971 Yamaha XS1B XS650, including gaskets, seals, pistons, rings, valves, cam chain parts, oil filters, engine hardware and rebuild parts.
Shop 1971 Yamaha XS1B XS650 engine parts for engine repair, top-end service, gasket replacement, oil-system maintenance, cam chain service, valve-train work, and early XS650 rebuild projects. This collection is focused on engine parts for the 1971 Yamaha XS1B, including engine gaskets, oil seals, pistons, piston rings, valves, valve seals, cam chain parts, oil filters, engine hardware, and related rebuild parts.
The 1971 XS1B is an early XS650 model, so engine details can matter. Gasket style, oil seal location, cam chain components, valve-train parts, side-cover hardware, oil-filter setup, crankcase parts, and previous repairs can all affect engine-part fitment. Use this page when replacing leaking gaskets, servicing worn seals, rebuilding the top end, checking valve-train parts, refreshing cam chain components, replacing oil-service parts, or sorting engine hardware before final assembly.
Replacement Filter Housing Bolts - Pack of 2. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish,...
Shift Shaft Spring - Replaces Yamaha OEM 90506-08007. This Shift Shaft Spring transfers foot-shifter movement through the engine case into the shift mechanism.Choose this...
Camshaft Internal Cam Needle Bearing. This camshaft bearing/bushing supports camshaft rotation in the cylinder head and should be checked with cam end play and...
Alternator Cover Polished Aluminum. This Alternator Cover Polished Aluminum finishes the alternator/stator side of the engine with a polished aluminum cover.Replace this alternator cover...
Oil Thermometer - White Face. This Oil Thermometer - White Face replaces the oil filler/dipstick reference with a visible engine-oil temperature gauge.Choose this oil...
High Performance Kibblewhite Exhaust Valve Guide - Aluminum. This exhaust valve guide supports the valve stem in the cylinder head so valve tracking, seat...
High Performance Kibblewhite Intake Valve Guide - Aluminum. This intake valve guide supports the valve stem in the cylinder head so valve tracking, seat...
High Performance Kibblewhite Black Diamond Exhaust Valve - Chrome. This exhaust valve controls spent-gas flow out of the cylinder head and must seal cleanly...
Rocker Arm Shaft - Replaces Yamaha OEM 256-12156-01-00. This rocker arm shaft supports rocker-arm movement so cam motion transfers cleanly to the valves.Choose this...
Alloy Engine Advance/Points Cover Set - Chrome - Polished. This Alloy Engine Advance/Points Cover Set - Chrome - Polished belongs in the breaker points,...
Engine Top Fastener Set - 55-Piece - Chrome. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish,...
Valve Spring Set. This valve spring part helps control valve return and should be checked with installed height, seat pressure, and retainer clearance.Replace this...
Needle Bearing & Thrust Washer Set. This washer spreads clamping load under the matching fastener and must match inside diameter, outside diameter, thickness, and...