Parts for the 1978 Yamaha YZ400
PartCluster lists 39 wholesale parts that fit the 1978 Yamaha YZ400 from 7+ brands, including Engine Parts, Chains & Sprockets, Reeds & Power Valves. All parts are aggregated from authorised distributor catalogs and matched to this exact model year.
Engine PartsChains & SprocketsReeds & Power ValvesPistonsClutch ComponentsCablesCrankshaft & RodsHubs & BearingsSteering & Linkage
WossnerEngine Parts
WOSSNER Engine Parts
WO-8264-DAA$259.95
WossnerEngine Parts
WOSSNER Engine Parts
WO-8264-D100A$259.95
WossnerEngine Parts
WOSSNER Engine Parts
WO-8264-D200A$259.95
WisecoEngine Parts
Wiseco Engine Parts
394M08650A$289.95
WisecoEngine Parts
Wiseco Engine Parts
394M08500A$269.95
WisecoEngine Parts
Wiseco Engine Parts
394M08600A$274.95
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26043Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26042Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26050Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26039Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26052Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26040Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26048Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26038Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26044Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26045Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26051Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26049Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26041Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26047Dealer pricing
PsychicChains & Sprockets
Psychic Chains & Sprockets — Yamaha DT200, Yamaha DT400, Yamaha IT175 +26 more
82.AT-26046Dealer pricing
AthenaReeds & Power Valves
Athena Reeds & Power Valves — Honda CR125, Honda XR500, Suzuki RM125 +8 more
50.BOY606Dealer pricing
WossnerPistons
Wossner Pistons — Husqvarna CR500, Husqvarna WR430, Kawasaki KX500 +10 more
WR RSC8700Dealer pricing
WossnerPistons
Wossner Pistons — Suzuki LT500, Yamaha DT400, Yamaha IT425 +4 more
WR RDC8600Dealer pricing
WossnerPistons
Wossner Pistons — Suzuki LT500, Yamaha DT400, Yamaha IT425 +4 more
WR RDC8650Dealer pricing
WossnerPistons
Wossner Pistons — Suzuki LT500, Yamaha IT425, Yamaha IT490 +2 more
WR RDC8700Dealer pricing
WossnerPistons
Wossner Pistons — Husqvarna WR430, Kawasaki KX500, Suzuki LT500 +6 more
WR RSC8600Dealer pricing
WossnerPistons
Wossner Pistons — Beta Beta300, KTM EXC390, KTM EXC400 +14 more
WP 042Dealer pricing
WossnerPistons
Wossner Pistons — Yamaha IT400, Yamaha IT425, Yamaha YZ400
W2 8264D200Dealer pricing
WossnerPistons
Wossner Pistons — Yamaha IT400, Yamaha IT425, Yamaha YZ400
W2 8264D100Dealer pricing
WossnerPistons
Wossner Pistons — Beta Beta250, Beta Beta300, Beta Beta350 +133 more
WR CW18Dealer pricing
AccelClutch Components
Accel Clutch Components — Aprilia 125, Suzuki JR50, Yamaha DT250 +31 more
17.CSK2Dealer pricing
Psychic/BroncoCables
Psychic/Bronco Cables — Yamaha IT250, Yamaha IT425, Yamaha YZ250 +1 more
57.105-107Dealer pricing
AthenaCrankshaft & Rods
Athena Crankshaft & Rods — Honda CR250, Honda FL250, Honda FL350 +52 more
23.6306C3Dealer pricing
AthenaCrankshaft & Rods
Athena Crankshaft & Rods — Husqvarna CR250, Husqvarna CR360, Husqvarna WR250 +6 more
21.MNB180220218Dealer pricing
PsychicHubs & Bearings
Psychic Hubs & Bearings — Yamaha DT250, Yamaha DT400, Yamaha IT250 +10 more
25.MX-06275Dealer pricing
PsychicHubs & Bearings
Psychic Hubs & Bearings — Honda CR125, Honda CR250, Honda XL200 +29 more
25.MX-06269Dealer pricing
ProXSteering & Linkage
ProX Steering & Linkage — Kawasaki KDX200, Kawasaki KDX220, Kawasaki KDX250 +58 more
24.110004Dealer pricing
PsychicSteering & Linkage
Psychic Steering & Linkage — Kawasaki KDX200, Kawasaki KDX220, Kawasaki KDX250 +23 more
24.MX-08295Dealer pricing