Engine parts for the 1974 Yamaha TX650 XS650, including gaskets, seals, pistons, rings, valves, cam chain parts, oil filters, engine hardware and rebuild parts.
Shop 1974 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-family rebuild projects. This collection is focused on engine parts for the 1974 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 1974 TX650 was part of Yamaha’s early XS650-family lineup, and engine parts can differ from earlier XS1, XS1B, XS2, 1973 TX650, later XS650 Standard, and XS650 Special models. 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...
Cam Chain Tensioner Rod to Spring Damper - Replaces Yamaha OEM 2H0-12232-00. This cam-chain tensioner part works in the adjustment assembly that controls cam-chain...
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 camshaft bearing/bushing supports camshaft rotation in the cylinder head and should be checked with cam end play and oiling condition.Replace this...
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...
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,...
Big Bore Gasket Set. This Big Bore Gasket Set seals the big-bore top-end and engine joints opened during cylinder or engine service.Replace this big...
Replacement Filter Housing Bolts - Pack of 2. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish,...
Big Bore Cylinder Base Gasket - 85mm. This cylinder base gasket seals the cylinder-to-crankcase joint and must align with the bore opening, studs, and...
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...
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...
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...
Connecting Rod Bearing, Washer and Pin Kit. This washer spreads clamping load under the matching fastener and must match inside diameter, outside diameter, thickness,...
650cc Replacement Cylinder and Piston Kit. This 650cc Replacement Cylinder and Piston Kit renews the piston/cylinder sealing package for the bore size and piston...
Alloy Engine Advance/Points Cover Set - Chrome - Polished. This Alloy Engine Advance/Points Cover Set - Chrome - Polished belongs in the breaker points,...