UK Delivery from £3.95  |  View Delivery Terms  |  See our reviews on Trustpilot

Yamaha YZ50 1981 Parts

Showing: 1 - 30 (of 61 products)
47mm x 20mm x 14mm Crank Bearing - 007540

47mm x 20mm x 14mm Crank Bearing - 007540

Fitment: Left Hand Pack size: Each SKU: 007540
In Stock

£5.40

Koyo 6204. Outer diameter 47mm. Inner diameter 20mm. Width 14mm. Made in Japan.


View Details
47mm x 20mm x 14mm Crank Bearing - 007540

47mm x 20mm x 14mm Crank Bearing - 007540

Fitment: Right Hand Pack size: Each SKU: 007540
In Stock

£5.40

Koyo 6204. Outer diameter 47mm. Inner diameter 20mm. Width 14mm. Made in Japan.


View Details
12mm x 1.50mm Magnetic Oil Drain Sump Plug 92066-1174 90340-12006

12mm x 1.50mm Magnetic Oil Drain Sump Plug 92066-1174 90340-12006

Pack size: Each SKU: 009491
In Stock

£6.00

Thread: 12mm. Pitch: 1.50mm. Width of head: 17mm spanner. Thread length: 9mm. Magnet length: 2.5mm. Replacement aftermarket part for the fol...


View Details
40mm x 32mm x 5mm Copper Exhaust Gasket

40mm x 32mm x 5mm Copper Exhaust Gasket

Pack size: Each SKU: 017524
In Stock

£3.85

Outer diameter 40mm. Inner diameter 32mm. Depth 5mm. Copper Exhaust Header Gaskets otherwise known as Crush Gaskets fit with flat side of th...


View Details
Air Filter Foam 12" x 12" Thickness 12mm (Double Filter)

Air Filter Foam 12" x 12" Thickness 12mm (Double Filter)

Pack size: Each SKU: 016046
In Stock

£7.00

If you're working on a vintage or classic motorcycle and the original air filter isn’t available anymore, our foam air filter sheets can b...


View Details
40mm x 31mm x 5mm Alloy Fibre Exhaust Gasket

40mm x 31mm x 5mm Alloy Fibre Exhaust Gasket

Pack size: Each SKU: 017456
In Stock

£2.90

Non-asbestos. Outer diameter 40mm. Inner diameter 31mm. Alloy Fibre Exhaust Header Gaskets are two aluminium bands with compressible paper f...


View Details
14.50mm x 36.00mm x 2.00mm Clutch Springs

14.50mm x 36.00mm x 2.00mm Clutch Springs

Pack size: Set of 6 SKU: 007273
In Stock

£15.75

Outer diameter 14.50mm. Length 36.00mm. Thickness 2.00mm. Heavy duty clutch springs.


View Details
22mm x 12mm x 5.5mm Gear Lever Oil Seal 93102-12106-00

22mm x 12mm x 5.5mm Gear Lever Oil Seal 93102-12106-00

Pack size: Each SKU: 007790
In Stock

£4.00

On some models that use two oil seals on the gear shift arm, this is the first seal that goes with an inner diameter of 12mm. Outer diameter...


View Details
Con Rod Kit - 008475

Con Rod Kit - 008475

Pack size: Each SKU: 008475
In Stock

£40.15

This kit includes the following parts: Con rod. Gudgeon pin. Big end and small end needle bearings. Pair of thrust washers.


View Details
26mm x 15mm x 6mm Kickstart Oil Seal

26mm x 15mm x 6mm Kickstart Oil Seal

Pack size: Each SKU: 007873
In Stock

£2.40

Outer diameter 26mm. Inner diameter 15mm. Width 6mm.


View Details
RK 420-098L Standard Drive Chain

RK 420-098L Standard Drive Chain

Pack size: Each SKU: 032947
In Stock

£14.45

Non-Sealed economical chain for light displacement CC for daily use. Made in Japan. Specifications Plate thickness (inner): 1.45. Plate thic...


View Details
37mm x 12mm x 12mm Wheel Bearing 96150-63010 Koyo 6301DDU

37mm x 12mm x 12mm Wheel Bearing 96150-63010 Koyo 6301DDU

Fitment: Rear Left or Right Pack size: Each SKU: 020610
In Stock

£7.25

Koyo 6301DDU. Double sided rubber sealed. Outer diameter 37mm. Inner diameter 12mm. Width 12mm. Made in Japan. Replacement aftermarket part ...


View Details
TourMax 3.92mm x 12.6mm FNL-M1 Float Valve without Wire Clip

TourMax 3.92mm x 12.6mm FNL-M1 Float Valve without Wire Clip

Pack size: Each SKU: 016505
In Stock

£6.00

Replacement aftermarket part for following OEM numbers: - Please Note: This is just for the needle valve as per image and does not include t...


View Details
26mm x 37mm x 10.5mm Fork Oil Seals

26mm x 37mm x 10.5mm Fork Oil Seals

Pack size: Pair SKU: 019796
In Stock

£5.75

Inner diameter 26mm. Outer diameter 37mm. Thickness 10.5mm.


View Details
Steering Head Ball Bearing Kit - 013064

Steering Head Ball Bearing Kit - 013064

Pack size: Each SKU: 013064
In Stock

£22.05

This kit includes the following bearings: Top bearing type 1: ID 25mm x OD 43mm x W 11mm. Top bearing type 2: ID 27mm x OD 43mm x W 11mm. Bo...


View Details
Front Sprocket Retainer - 002934

Front Sprocket Retainer - 002934

Pack size: Each SKU: 002934
In Stock

£2.90


View Details
30mm x 10mm x 9mm Wheel Bearing Koyo 6200DDU

30mm x 10mm x 9mm Wheel Bearing Koyo 6200DDU

Fitment: Front Left or Right Pack size: Each SKU: 020597
In Stock

£5.20

Koyo 6200DDU. Double sided rubber sealed. Outer diameter 30mm. Inner diameter 10mm. Width 9mm. Made in Japan.


View Details
RK Pro-MX 420-098L MXZ Heavy Duty Gold Drive Chain

RK Pro-MX 420-098L MXZ Heavy Duty Gold Drive Chain

Pack size: Each SKU: 033228
In Stock

£31.75

Reinforced Heavy Duty Chain. Off Road Racing Use (MX/SX). Non-Sealed Chain. Made in Japan. Specifications Plate thickness (inner): 1.80. Pla...


View Details
225/250-14 Inner Tube with TR4 Valve

225/250-14 Inner Tube with TR4 Valve

Fitment: Front Pack size: Each SKU: 020138
In Stock

£4.15

Straight TR4 valve.


View Details
Alloy Clutch Lever Yamaha 4GY-83912-00 1B2-H3912-00

Alloy Clutch Lever Yamaha 4GY-83912-00 1B2-H3912-00

Pack size: Each SKU: 015091
In Stock

£6.00

Replacement aftermarket part for Yamaha OEM Yamaha 4GY-83912-00, 1B2-H3912-00.


View Details
40mm x 28mm x 8mm Crank Oil Seal

40mm x 28mm x 8mm Crank Oil Seal

Fitment: Right Hand (Inner) Pack size: Each SKU: 007693
In Stock

£2.40

Outer diameter 40mm. Inner diameter 28mm. Width 8mm. This will suit the following models as well as those listed in fitments: Right Hand Sid...


View Details
35mm x 20mm x 7mm Crank Oil Seal

35mm x 20mm x 7mm Crank Oil Seal

Fitment: Left Hand (Inner) Pack size: Each SKU: 007659
In Stock

£2.40

Outer diameter 35mm. Inner diameter 20mm. Width 7mm.


View Details
95mm x 20mm Brake Shoes - 001991

95mm x 20mm Brake Shoes - 001991

Fitment: Front Pack size: Pair SKU: 001991
In Stock

£9.60

Outer diameter 95mm. Width 20mm. How to measure drum brake shoes: Outer Dimension: Preferably use a caliper although a tape measure would gi...


View Details
95mm x 20mm Brake Shoes - 001991

95mm x 20mm Brake Shoes - 001991

Fitment: Rear Pack size: Pair SKU: 001991
In Stock

£9.60

Outer diameter 95mm. Width 20mm. How to measure drum brake shoes: Outer Dimension: Preferably use a caliper although a tape measure would gi...


View Details
37mm x 20mm x 8mm Wheel Oil Seal

37mm x 20mm x 8mm Wheel Oil Seal

Fitment: Rear Right Pack size: Each SKU: 021082
In Stock

£2.40

Outer diameter 37mm. Inner diameter 20mm. Width 8mm.


View Details
MTX 420HD-098 Gold Heavy Duty Drive Chain

MTX 420HD-098 Gold Heavy Duty Drive Chain

Pack size: Each SKU: 002197
In Stock

£9.00

This final drive chain is the correct length and pitch for standard factory fitted sprockets. This may not be the most suitable grade of fin...


View Details
275/300-12 Inner Tube with TR4 Valve

275/300-12 Inner Tube with TR4 Valve

Fitment: Rear Pack size: Each SKU: 020151
In Stock

£5.55

Straight TR4 valve.


View Details
15mm x 4.8mm x 4mm Clutch Push Rod Oil Seal

15mm x 4.8mm x 4mm Clutch Push Rod Oil Seal

Pack size: Each SKU: 007173
In Stock

£3.00

Outer diameter 15mm. Inner diameter 4.8mm. Width 4mm.


View Details
Clutch Metal Plate Yamaha FS1 FZR400 RD80 YZ80-85 25716-32410-00

Clutch Metal Plate Yamaha FS1 FZR400 RD80 YZ80-85 25716-32410-00

Fitment: 2 Required Pack size: Each SKU: 007061
In Stock

£4.00

Outer Diameter: 115mm. Inner Diameter: 94.8mm. Thickness: 1.2mm. Number of Pegs: 23. Replacement aftermarket part for the following OEM numb...


View Details
Alloy Brake Lever 23X-83922-00 1B2-H3922-00 57420-14300

Alloy Brake Lever 23X-83922-00 1B2-H3922-00 57420-14300

Fitment: Front Pack size: Each SKU: 014534
In Stock

£6.00

Replacement aftermarket part for the following OEM numbers: Suzuki 57420-14300. Yamaha 23X-83922-01, 1B2-H3922-00, 23X-83922-00, 3M2-83922-0...


View Details