Engine parts for the 1973 Yamaha TX650 XS650, including gaskets, seals, pistons, rings, valves, cam chain parts, oil filters, engine hardware and rebuild parts.
Shop 1973 Yamaha TX650 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 1973 Yamaha TX650, including engine gaskets, oil seals, pistons, piston rings, valves, valve seals, cam chain parts, oil filters, engine hardware, and related rebuild parts.
The 1973 TX650 is part of the early XS650 family, 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.
Oil Thermometer - Black Face. This Oil Thermometer - Black Face replaces the oil filler/dipstick reference with a visible engine-oil temperature gauge.Choose this oil...
High Performance Kibblewhite Black Diamond Intake Valve - Chrome. This intake valve controls fresh charge flow into the cylinder head and must seal cleanly...
Shift Shaft Circlip. This Shift Shaft Circlip transfers foot-shifter movement through the engine case into the shift mechanism.Choose this shift shaft circlip when the...
Kick Start Return Spring. This Kick Start Return Spring returns the kickstart shaft and lever after a kick stroke.Choose this kick start return spring...
Crank Main Bearing - Left-Hand - Replaces Yamaha OEM 93390-00003-00. This left-hand crank main bearing supports the crankshaft in the crankcase and must run...
Crank Main Bearing - Right-Hand - Replaces Yamaha OEM 93306-30604-00-00. This right-hand crank main bearing supports the crankshaft in the crankcase and must run...
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Valve Collets (Keepers) - Replaces Yamaha OEM 341-12118-00. These valve keepers lock the valve spring retainer to the valve stem groove and should be...
Cam Chain Tensioner Nut - Replaces Yamaha OEM 90170-18103. This cam-chain tensioner part works in the adjustment assembly that controls cam-chain slack between the...
Clutch Housing Cover - Replaces Yamaha OEM 256-16150-02. This clutch housing cover fits the clutch assembly area and should match the listed OEM application,...
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,...
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Big Bore Head Gasket - 87mm - 10mm. This head gasket seals the cylinder-to-head joint where combustion pressure, oil passages, and stud alignment must...
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...