Part # FDR80GS-R80ST
Final Drive Seal Kit for R80 G/S & R80 ST

Final Drive Seal Kit for R80 G/S & R80 ST

Boxer2valve's Final drive Seal Kit contains all the gaskets & seals you will need to re-seal your final drive on your classic BMW 2 valve airhead. 

This kit is specifically for the following models:

• 1980 - 1987 R80 G/S
• 1982 - 1984 R80 ST
  

This kit includes the following:

Final Drive Seal

Final Drive Crown Wheel Output Bearing Seal 110mm x 85mm x 10mm

BMW part # 33 12 1 241 938

Pinion Shaft Seal

This is the pinion seal that fits all 2 valve boxer models beginning with /5 except those with a Paralever rear suspension.

BMW Part number 33 12 1 231 542

To replace this seal, you will need the pinion nut removal tool, part number 7224400

Also order part number 3312302 which is a gasket ring that will need to be replaced.

Gasket Ring for Pinion

This gasket is located beneath the pinion nut. It should always be replaced when the pinion nut is removed for any reason.

BMW Part Number 33 12 1 233 302

Applicable for all 2 valve twins beginning with /6 models except Paralever models.

Aluminum Seal Rings

These are high quality aluminum seal rings to fit the most common drain bolts and fittings. It's good to have an assortment of these on hand so that you are can properly re-seal the drain bolts and fittings when performing maintenance on your bike. These seals have many applications and work in various applications on most all European vehicles.

• 12 X 16 - 07 11 9 963 130 - Commonly used for: Swing Arm Drain, Fork Damper Rods
• 16 X 20 - 07 11 9 963 252 - Commonly used for: Oil Drain, Oil Cooler Lines
• 18 X 22 - 07 11 9 963 300 - Commonly used for: Oil Drain, Gearbox Filler
• 8 X 12 -   07 11 9 963 041 - Commonly used for: Fork Damper Rod, Fork Filler Plug, Final drive Inspection