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Vintage Japanese Motorcycle Fork Seal set of 2-35 x 48 x 10.5/11

Vintage Japanese Motorcycle Fork Seal Set/2-35 x 48 x 10.5/11

$19.17
27-1007
1979 Honda CB750L Limited Edition Parts Best-Selling Vintage Motorcycle Parts Honda ATC Three-Wheeler Parts Honda ATC250R Parts Honda ATC350X Parts Honda ATV & ATC Parts Honda CB Motorcycle Parts Honda CB450 Parts Honda CB450K DOHC Twin Parts Honda CB500 Parts Honda CB500K Parts Honda CB500T Parts Honda CB550 Parts Honda CB550F Parts Honda CB550K Parts Honda CB650 Parts Honda CB650C Parts Honda CB750 Parts Honda CB750A Hondamatic Parts (1976–1978) Honda CB750C Custom Parts (1980–1982) Honda CB750F Super Sport Parts (1975–1982) Honda CB750K Parts (1969–1982) Honda CB750P Police Parts Honda CBX Motorcycle Parts Honda CBX1050 Parts Honda CL Scrambler Motorcycle Parts Honda CL450 Parts Honda CL450K Parts Honda CR Motocross Parts Honda CR125 Motocross Parts Honda CR125M Elsinore Parts Honda CR250 Parts Honda CR250M Parts Honda CR80 Parts Honda CR80R Parts Honda CRF Motorcycle Parts Honda CRF150 Parts Honda CRF150F Parts Honda CX Motorcycle Parts Honda CX500 Parts Honda CX500C Custom Parts Honda GB500 Tourist Trophy Parts Honda Gold Wing Motorcycle Parts Honda MR Elsinore Motorcycle Parts Honda MT Motorcycle Parts Honda NX Motorcycle Parts Honda TLR Trials Motorcycle Parts Honda VTR Motorcycle Parts Honda XL Motorcycle Parts Honda XL250 Parts Honda XL250R Parts Honda XL250S Parts Honda XL350 Parts Honda XL500 Parts Honda XL500S Parts Honda XR Motorcycle Parts Honda XR200 Parts Honda XR200R Parts Honda XR250 Parts Kawasaki EX Motorcycle Parts Kawasaki H1 & H2 Triple Motorcycle Parts Kawasaki H2 Parts Kawasaki KE Trail Motorcycle Parts Kawasaki KE250 Parts Kawasaki KL Motorcycle Parts Kawasaki KX Motocross Parts Kawasaki KZ Motorcycle Parts Kawasaki Motorcycle Parts Kawasaki ZX, ZXR & ZZR Motorcycle Parts Motorcycle Fork Seals, Dust Boots & Fork Parts Motorcycle Fork Seals, Shocks & Steering Parts Suzuki DR Motorcycle Parts Suzuki DR125 Parts Suzuki DR200 Parts Suzuki DR200SE Parts Suzuki GN Motorcycle Parts Suzuki GR Motorcycle Parts Suzuki GS Motorcycle Parts Suzuki GS550 Parts Suzuki GS650 Parts Suzuki GS650G Parts Suzuki GS750 Parts Suzuki GS750E Parts Suzuki GT Motorcycle Parts Suzuki GT500 Parts Suzuki GT550 Parts Suzuki GT750 Parts Suzuki Motorcycle Parts Suzuki RM Motorcycle Parts Suzuki RM100 Parts Suzuki RM125 Parts Suzuki SP Motorcycle Parts Suzuki SP200 Parts Suzuki SP250 Parts Suzuki TM Motorcycle Parts Suzuki TM250 Parts Suzuki TM400 Parts Suzuki TS Motorcycle Parts Suzuki TS250 Parts Vintage Honda Motorcycle Parts Yamaha IT Enduro Motorcycle Parts Yamaha IT125 Parts Yamaha Motorcycle Parts Yamaha RD Two-Stroke Motorcycle Parts Yamaha RD400 Parts Yamaha RT100 & RT180 Parts Yamaha RT180 Parts Yamaha RZ Two-Stroke Motorcycle Parts Yamaha RZ350 Parts Yamaha SR Motorcycle Parts Yamaha SR500 Parts Yamaha XS Motorcycle Parts Yamaha XT Motorcycle Parts
Vintage Japanese Motorcycle Fork Seal Set/2-35 x 48 x 10.5/11. These fork oil seals retain fork oil around the fork tubes while allowing the...
売り切れ
Kawasaki Yamaha Suzuki Motorcycle Fork Seal set of 2-34 x 46 x 10.5

Kawasaki Yamaha Suzuki Motorcycle Fork Seal Set/2-34 x 46 x 10.5

$18.57
27-1016
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Kawasaki Yamaha Suzuki Motorcycle Fork Seal Set/2-34 x 46 x 10.5. These fork oil seals retain fork oil around the fork tubes while allowing...
In stock
Yamaha Suzuki Motorcycle ATV SSY-125 Steering Bearing Kit

Yamaha Suzuki Motorcycle ATV SSY-125 Steering Bearing Kit

$62.90
28-2003
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Yamaha Suzuki Motorcycle ATV SSY-125 Steering Bearing Kit. This steering-head bearing kit supports smooth steering movement between the frame and fork stem. Replace bearings...
In stock
Kawasaki Yamaha Motorcycle Swing Arm Bushing Set 33033-009

Kawasaki Yamaha Motorcycle Swing Arm Bushing Set - Reference: 33033-009

$85.77
28-1028
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Kawasaki Yamaha Motorcycle Swing Arm Bushing Set - Reference: 33033-009. This swingarm pivot service part supports, guides, or seals the swingarm pivot for controlled...

About the Yamaha RD400

Engine sealing and the later fork changes are key parts decisions on an RD400 restoration.

Yamaha Motorcycle Logo

Yamaha’s RD400 is an air-cooled two-stroke road twin. The U.S.-market 1979 RD400F Daytona Special brought changes to the cylinder head, carburetor controls, forks and brakes. Its 35 mm fork tubes differ from the earlier 34 mm arrangement, making the fitted front end a useful starting point for identification.

Separate the engine repair from the chassis year split

The engine gasket set below lists RD400 1976–1980, but the featured engine oil-seal kit lists 1976–1978. Fork seals also divide into early and later applications. Keep the individual product’s years with the job, especially on an imported bike or one with replacement forks.

Model and year comparisonRD400 parts differences

RD400 fork and engine-sealing applications
PartYears listedSelection detail
Fork oil seals1976–197827-1016: 34 × 46 × 10.5 mm
Fork oil seals1979–198027-1007: 35 mm fork application
Engine oil-seal kit1976–197801-9022 engine oil-seal kit
Engine gasket set1976–198018-0238 engine gasket set

Prepare for the repairIdentify your RD400 components

Early front end or later RD400F equipment

The U.S. 1979 F changed from 34 mm to 35 mm fork tubes and also changed the calipers and mounts. Match the fitted fork and brake parts separately; the table’s later catalog range is not a claim that all markets used identical equipment.

Gasket joint or oil-seal location

A gasket seals between mating engine surfaces. An oil seal works around its specified shaft or housing location. Identify the leaking location before choosing a set, and compare the exact contents when the engine is already apart.

Have a part you cannot identify?

Contact PartsNMore with your model, year and clear photos of the part and its markings.

Yamaha RD400 parts questions

Do early and later RD400 models use the same fork seals?
The featured applications differ: 27-1016 lists 1976–1978 with 34 × 46 × 10.5 mm dimensions; 27-1007 lists 1979–1980 for the 35 mm fork application. Match the actual fork and all seal dimensions.
What changed on the U.S. 1979 RD400F Daytona Special?
Useful repair distinctions include 35 mm forks, revised brake calipers and a linked carburetor throttle mechanism. Use these with the model code and market information when identifying replacement assemblies.
Can I use the featured early RD400 oil-seal kit on a 1979 model?
Kit 01-9022 lists RD400 1976–1978. It does not establish 1979 fitment. The separate gasket set’s 1976–1980 application cannot be used to extend the oil-seal kit’s years.
What should I inspect before fitting new RD400 fork seals?
Inspect the tube surfaces for rust pits, nicks and damage, and assess bushing wear. Compare the old seal’s dimensions and the fitted fork with the replacement. A damaged running surface can cause a new seal to leak.

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