Shop 1973 Yamaha TX650 XS650 engine parts for top-end service, bottom-end repair, oil leak repair, gasket replacement, valve service, cam chain work, and early XS650-family restoration. This collection is focused on engine parts for the 1973 Yamaha TX650, including engine gaskets, oil seals, piston rings, pistons, valves, valve guides, cam chain parts, tensioner parts, engine hardware, oil-system parts, and related engine service components.
The 1973 TX650 was an early Yamaha XS650-family model, and engine parts can differ from the earlier XS1, XS1B, XS2, later 1974 TX650, XS650 Standard, and XS650 Special models. Use this page when repairing oil leaks, refreshing compression, replacing worn gaskets, servicing valves, rebuilding the top end, replacing cam chain components, repairing engine covers, or restoring missing engine hardware.
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...
Camshaft Bearing. This XS650 Camshaft Bearing seals or supports the camshaft end area so engine oil stays inside the top end.Use this camshaft bearing...
Valve Collets (Keepers) - Replaces Yamaha OEM 341-12118-00. This XS650 Valve Collets (Keepers) controls intake or exhaust flow through the cylinder head and must...
Clutch Housing Cover - Replaces Yamaha OEM 256-16150-02. This XS650 Clutch Housing Cover works in the clutch pack, pushrod, hub, or pressure-plate area that...
Camshaft Internal Cam Needle Bearing. This XS650 Camshaft Internal Cam Needle Bearing seals or supports the camshaft end area so engine oil stays inside...
Alternator Cover Polished Aluminum. This XS650 Alternator Cover Polished Aluminum finishes the alternator/stator side of the engine with a polished aluminum cover.Use this alternator...
Oil Thermometer - White Face. This XS650 Oil Thermometer - White Face replaces the oil filler/dipstick reference with a visible engine-oil temperature gauge.Use this...
High Performance Kibblewhite Exhaust Valve Guide - Aluminum. This XS650 High Performance Kibblewhite Exhaust Valve Guide - Aluminum supports the valve stem in the...
High Performance Kibblewhite Intake Valve Guide - Aluminum. This XS650 High Performance Kibblewhite Intake Valve Guide - Aluminum supports the valve stem in the...
High Performance Kibblewhite Black Diamond Exhaust Valve - Chrome. This XS650 High Performance Kibblewhite Black Diamond Exhaust Valve - Chrome controls intake or exhaust...
Rocker Arm Shaft - Replaces Yamaha OEM 256-12156-01-00. This XS650 Rocker Arm Shaft works in the rocker-arm/rocker-shaft area that transfers cam motion to the...
Alloy Engine Advance/Points Cover Set - Chrome - Polished. This XS650 Alloy Engine Advance/Points Cover Set - Chrome - Polished belongs in the breaker...
Shift Shaft Spring - Replaces Yamaha OEM 90506-08007. This XS650 Shift Shaft Spring transfers foot-shifter movement through the engine case into the shift mechanism.Use...
Needle Bearing & Thrust Washer Set. This needle bearing and thrust washer set supports the shaft location where both roller support and thrust control...