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.
Clutch Adjuster Cover - Chrome. This Clutch Adjuster Cover - Chrome covers the clutch worm adjuster access point on the left engine cover.Choose this...
Cam Chain Tensioner. This cam-chain tensioner part works in the adjustment assembly that controls cam-chain slack between the crankshaft and camshaft.Replace this cam chain...
Athena Premium Overhaul Gasket Set. This engine gasket set covers the major engine joints opened during a teardown, with gaskets selected for the listed...
Starter Motor Shaft Oil Seal - Replaces Yamaha OEM 93101-17047-00. This Starter Motor Shaft Oil Seal seals the starter shaft or starter/crankcase opening against...
Valve Stem Seal - Replaces Yamaha OEM 341-12119-00/02. This Valve Stem Seal controls oil travel down the valve stem into the combustion chamber.Replace this...
Crankshaft Oil Seal - Replaces Yamaha OEM 93102-25121/25090. This Crankshaft Oil Seal seals around the crankshaft end so engine oil stays inside the crankcase.Replace...
Breaker/Advance Housing Screw Set. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish, and load location.Replace this...
Tach Drive Retention Bolt. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish, and load location.Replace this...
8mm Tappet Cover Crown Nut - Replaces Yamaha OEM 95303-08800-00. This metric hardware replaces the listed fastener size and should match thread, length, head...
Chrome Rocker Shaft Plug - Replaces Yamaha OEM 90430-18017-00. This Chrome Rocker Shaft Plug works in the rocker-arm/rocker-shaft area that transfers cam motion to...
Exhaust Valve - Polished - Stainless Steel - Replaces Yamaha OEM 341-12121-01. This exhaust valve controls spent-gas flow out of the cylinder head and...
Cylinder Head Hardware Set. This Cylinder Head Hardware Set replaces the cylinder-head fasteners and washers used to clamp the top end correctly.Choose this cylinder...
Cylinder Base Gasket - Stock Bore. This cylinder base gasket seals the cylinder-to-crankcase joint and must align with the bore opening, studs, and oil...
Cam Chain Tensioner Spring - Replaces Yamaha OEM 90501-14095/341-12216-02. This cam-chain tensioner part works in the adjustment assembly that controls cam-chain slack between the...
Kickstart Rubber - 15mm. This kickstart rubber renews the boot contact surface on the kickstart lever.Choose this kickstart rubber when the kickstart rubber is...
Engine Bolt Set. This metric hardware replaces the listed fastener size and should match thread, length, head style, finish, and load location.Replace this engine...
Economy Overhaul Engine Gasket Set. This engine gasket set covers the major engine joints opened during a teardown, with gaskets selected for the listed...
Alloy Engine Advance/Points Cover Set - Chrome - Polished. This Alloy Engine Advance/Points Cover Set - Chrome - Polished belongs in the breaker points,...
6mm Crown Nut for Tappet Cover - Replaces Yamaha OEM 95380-06800-00. This metric hardware replaces the listed fastener size and should match thread, length,...
Big Bore Cylinder Head Gasket - 82mm. This head gasket seals the cylinder-to-head joint where combustion pressure, oil passages, and stud alignment must all...
Camshaft - Inner Bushing. This camshaft bearing/bushing supports camshaft rotation in the cylinder head and should be checked with cam end play and oiling...
Extended Bigfoot Gear Shift Lever - Rubber. This Extended Bigfoot Gear Shift Lever - Rubber restores the shift-lever contact point and spline/pivot fit for...
Kickstarter Assembly - Chrome - Rubber. This kickstarter Assembly renews the kickstarter lever assembly and rubber foot-contact area used to turn the engine over...
Camshaft Outer Bushing - Replaces Yamaha OEM 256-11155-00. This camshaft bearing/bushing supports camshaft rotation in the cylinder head and should be checked with cam...
Shift Shaft Assembly - Replaces Yamaha OEM 256-18101-03. This Shift Shaft Assembly transfers foot-shifter movement through the engine case into the shift mechanism.Choose this...
8mm Chrome Washer - Replaces Yamaha OEM 95303-08800-00. This washer spreads clamping load under the matching fastener and must match inside diameter, outside diameter,...