Of all the components used in this assembly the Oil Pump Assembly is the most expensive.
The Yamaha OIL PUMP has twenty-nine products enlisted in the schematic.
Some items from this specific schematic: Holder, Oil Pipe, Ball, Hose(2tv), Nozzle.

PLATE, STARTER

SHIM,PLUNGER

PLATE, ADJUSTING

METAL, WORM SHAFT OUTER

BANJO, DELIVERY PIPE

NOZZLE

HOLDER, OIL PIPE

OIL PUMP ASSEMBLY

SHAFT, WORM

GASKET, PUMP CASE (NAS)

GASKET, PUMP CASE (MCA)

COVER

WASHER, PLATE (1E7)

BOLT UNION

GASKET 137131870000 (NAS)

GASKET(3FP) (NAS)

GASKET 137131670000 (MCA)

HOSE (L200)

HOSE(2TV)

HOSE (L250)

HOSE (1A0)

CLIP (214-13164-00)

SPRING (278-13169-00)

PIN, COTTER

YBS67-5 WASHER, SPRING

OIL SEAL (10X22X7-137)

OIL SEAL (J10)

BALL

NUT, HEXAGON (663)

SCREW, PAN HEAD(6B0)

SCREW, PAN HEAD (7H3)

SCREW, BIND (705)

SCREW, BIND

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Give a modern touch to your vehicle with replacement parts available here. Our gallery has got limitless products for the MX250 1974 USA.

MX250 1974 USA

Yamaha continued, if not exactly to dominate the Motocross scene, to be a major player with perhaps the most competitive 250cc class, when the MX250 was launched in 1974.
Undercutting the price from manufacturers like Husquavarna, and taking advantage of the younger riders already Yamaha savvy from their Junior racing days taking to the MX250, just like it was the MX125 or MX175 they probably raced in the previous season.
Yamaha used many of the more exotic components from their works race machinery on the 250, as they considered the class the most important one to be seen to be successful!  As with there other ‘MX’ models, these machines are highly desirable today for classic twin shock competitions, where they continue to achieve good results in this highly competitive form of motorcycle sport.


YAMAHA MX250 1974 USAOIL PUMP

GASKET, PUMP CASE (MCA)

SHAFT, WORM

METAL, WORM SHAFT OUTER

OIL SEAL (10X22X7-137)

SCREW, PAN HEAD (7H3)

OIL PUMP ASSEMBLY

SHIM,PLUNGER

SHIM,PLUNGER

PLATE, ADJUSTING

COVER

YBS67-5 WASHER, SPRING

NUT, HEXAGON (663)

OIL SEAL (J10)

PLATE, STARTER

PIN, COTTER

SCREW, BIND

GASKET 137131870000 (NAS)

BALL

SPRING (278-13169-00)

NOZZLE

CLIP (214-13164-00)

HOSE (1A0)

HOSE(2TV)

CLIP (214-13164-00)

BANJO, DELIVERY PIPE

GASKET 137131670000 (MCA)

BOLT UNION

HOLDER, OIL PIPE

WASHER, PLATE (1E7)