Yamaha YZ490 1987 Parts

TourMax Brake Master Cylinder Cap Diaphragm Yamaha 56A-25854-00

Made in Japan. Replaces Yamaha 56A-25854-00.

42mm x 32mm x 6mm Drive Shaft Oil Seal

Outer diameter 42mm. Inner diameter 32mm. Width 6mm.

52mm x 28mm x 5mm Wheel Oil Seal

Outer diameter 52mm. Inner diameter 28mm. Width 5mm.

Hendler SSK906R SSK906 SSH906RR Steering Head Taper Bearing Kit 22-1004

These steering head tapered bearing kits are provided by Hendler to the same specification as the All Balls kits. While the quality is compa...

Hendler 25-1444 Wheel Bearing Kit (Koyo Bearings)

This wheel bearing kit uses premium quality Japanese Koyo bearings.

12 Tooth Front Sprocket - 003054

Steel sprocket. Replaces JT Sprockets JTF569-12.

Fork Oil Seal & Fork Dust Seal Kit - 019703

Includes a pair of fork oil seals and a pair of fork dust deals. Fork oil seals: ID 43mm x OD 55mm x Thickness 10.5mm. Push-in type fork dus...

WRP 29-5027 Shock Bearing Kit

Includes all the parts you need. 52100 bearing steel, hardened and precision ground. OEM style clip seals. Full compliment needle or spheric...

15 Tooth Front Sprocket - 003412

Steel sprocket. Replaces JT Sprockets JTF569-15.

14 Tooth Front Sprocket - 003268

Steel sprocket. Replaces JT Sprockets JTF569-14.

DID 520ERT3-114L Gold Heavy Duty Motocross Drive Chain

The non-sealed 520ERT3 is our #1 selling motocross chain and is used by factory race teams such as Monster Energy Kawasaki, Star Racing Yama...

WRP 18-7013 Brake Pad Retaining Pin Kit

Please Note: This brake pad pin kit comes as shown in the image. Some kits have two pins for a brake pad and some kits only have one. Materi...

134mm x 1.5mm Clutch Metal Plate with 27 Pegs

Outer diameter 134mm. Thickness 1.5mm. Number of pegs 27.

25mm x 17mm x 4mm Clutch Arm Rod Oil Seal

Outer diameter 25mm. Inner diameter 17mm. Width 4mm.

47 Tooth Rear Sprocket - 004448

Steel sprocket.

Alloy Brake Lever - 014535

WRP 24-1066 Crank Shaft Bearing & Seal Kit

Works Racing Parts (WRP)The WRP brand relies on two factors: a strong sponsorship program that endorses the name in the racing industry and ...

46 Tooth Rear Sprocket - 004384

Steel sprocket. Replaces JT Sprockets JTR853-46. Internal diameter 152mm. Bolt holes 8.5mm x6. 12 holes in total 8.5mm x6 and 8.3mm x6. Bolt...

WRP 29-1020 Shock Bearing Kit

Includes all the parts you need. 52100 bearing steel, hardened and precision ground. OEM style clip seals. Full compliment needle or spheric...

WRP 24-2023 Crank Shaft Seal Kit

Works Racing Parts (WRP)The WRP brand relies on two factors: a strong sponsorship program that endorses the name in the racing industry and ...

Hendler 25-1267 Wheel Bearing Kit (Koyo Bearings)

This wheel bearing kit uses premium quality Japanese Koyo bearings.

48 Tooth Rear Sprocket - 004506

Steel sprocket. Replaces JT Sprockets JTR853-48. Internal diameter 152mm. Bolt holes 8.5mm x6. 12 holes in total 8.5mm x6 and 8.3mm x6. Bolt...

WRP 18-1017 Brake Master Cylinder Rebuild Kit

Includes all the parts you need for one caliper. OEM replacement, meets or exceeds OEM specs. Works Racing Parts (WRP)The WRP brand relies o...

49 Tooth Rear Sprocket - 004553

Steel sprocket. Replaces JT Sprockets JTR853-49. Internal diameter 152mm. Bolt holes 8.5mm x6. 12 holes in total 8.5mm x6 and 8.3mm x6. Bolt...

27mm x 24.5mm Brake Caliper Piston Kit

Piston outer diameter: 26.95mm. Piston length: 24.5mm. Oil seal: 2.85mm x 3.1mm. Dust seal: 2.1mm x 2.05mm. This kit includes a single pisto...

27mm x 24.5mm Brake Caliper Piston Kit (Stainless Steel)

316L stainless steel. Piston outer diameter: 26.95mm. Piston length: 24.2mm. Oil seal: 2.75mm x 3.1mm. Dust seal: 2.1mm x 2.1mm. This kit in...

WRP 28-1025 Swing Arm Bearing Kit

Works Racing Parts (WRP)The WRP brand relies on two factors: a strong sponsorship program that endorses the name in the racing industry and ...

WRP 27-1081 Shock Linkage Bearing Kit

Works Racing Parts (WRP)The WRP brand relies on two factors: a strong sponsorship program that endorses the name in the racing industry and ...

55mm x 30mm x 10mm Crank Oil Seal (Castle)

Outer diameter 55mm. Inner diameter 30mm. Width 10mm.

55mm x 40mm x 10mm Crank Oil Seal (Castle)

Outer diameter 55mm. Inner diameter 40mm. Width 10mm.