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Clutch Replacement Service Kit, Related Parts & Tools

We have put together these clutch kits to help you select parts you will need when replacing your clutch. The clutch kits, recommended tools and additional recommended parts are specific for your BMW airhead model and year. Once you have your model and year selected it will narrow down the list for your specific bike. We have also included down below recommended special tools you will need to help you complete the clutch service. While you are replacing the clutch it is also a good opportunity to replace a few additional parts that are located behind the clutch. For example check and examine the oil pump for worn parts, you could also take this opportunity to replace the Rear Main Seal.

Just a few steps

Select your parts below to add to your basket

  • Make sure you have your model and year to narrow down the parts you will need
  • Add Your Clutch Service Kit
  • Add any relevant additional tools you may need
  • Add any additional recommended parts you may also want to replace while completing this service

Clutch Installation Example performed on a 1985 R80 RT

This video applies to 81+ Classic BMW Airheads

Clutch Installation Example performed on a 1975 R90/6

This video applies to 1970 to 1980 Classic BMW Airheads

21. Clutch Service Kits
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Please note: Showing all products in this category. Select your bike to display only products for specific fitment
Clutch Service Kit R50-R80 up to 1980 View Full Product
Clutch Service Kit R50-R80 up to 1980 Part #2121-70-80-R50-75
Boxer2valve's clutch service kit contains all the parts you will need to replace the clutch components on your R50/5, R60/5, R60/6, R60/7, R75/5, R75/6, R75/7, R80 models up to 1980.

Part Name Part # BMW Part # Quantity
Diaphragm Spring Standard 2121288 21211250288 1
Clutch Disk up to 1980 2121332 21211236332 1
Compression Ring for Clutch 2121666 21211231666 1
Pressure Plate Clutch 2121801 21211251801 1
Clutch Bolt 2121463 21211231463 6
Not in stock, we have more coming soon!

Place an order to reserve.
$470.57
Clutch Service Parts:
Clutch Service Kit R90-R100 up to 1980 View Full Product
Clutch Service Kit R90-R100 up to 1980 Part #2121-90-100-to-80
Boxer2valve's clutch service kit contains all the parts you will need to replace the clutch components on your R90/6, R90 S, R100, R100/7, R100 RS and R100 RT up to 1980.

Part Name Part # BMW Part # Quantity
Diaphragm Spring Heavy Duty 2121035 21211234035 1
Clutch Disk up to 1980 2121332 21211236332 1
Compression Ring for Clutch 2121666 21211231666 1
Pressure Plate Clutch 2121801 21211251801 1
Clutch Bolt 2121463 21211231463 6
In Stock
$437.50
Clutch Service Parts:
Clutch Service Kit 1981+ Models View Full Product
★★★★★ ★★★★★
Clutch Service Kit 1981+ Models Part #2121-81-95-all
Boxer2valve's clutch service kit contains all the parts you will need to replace the clutch components on your 1981+ Classic BMW Airhead

Part Name Part # BMW Part # Quantity
Pressure Ring for Clutch 2121280 21 21 1 457 280 1
Clutch Disk 2121512 21 21 1 451 512 1
Pressure Plate 2121200 21 21 2 302 200 1
Diaphragm Spring 2121353 21 21 1 242 353 1
Clutch Bolts 2121680 21 21 1 338 680 6
Serrated Lock Washers
 2121377
 21 21 1 242 377
 6
In Stock
$478.68
Clutch Service Parts:
Clutch centering tool View Full Product
Clutch centering tool Part #2123332Z

This tool is essential if you are planning to replace your clutch. It makes installing the clutch much easier and it centers the disk, making installation of the gearbox easier and even possible.

For air cooled twins from /5 through 1980 model year.
In Stock
$27.95
Clutch Centering Tool View Full Product
Clutch Centering Tool Part #7220683

This tool is essential if you are planning to replace your clutch. It makes installing the clutch much easier and it centers the disk, making installation of the gearbox easier and even possible.

For all air cooled twins from 1981 onward.
In Stock
$24.95
Clutch Installation Tools to 1980 View Full Product
★★★★★ ★★★★★
Clutch Installation Tools to 1980 Part #8121026

Simplifies assembly / disassembly of the clutch considerably.

Fits 1970 through 1980 models except R45 and R65.
In Stock
$37.95
Clutch Installation Tool - 3 Piece Set View Full Product
★★★★★ ★★★★★
Clutch Installation Tool - 3 Piece Set Part #8871101

Simplifies assembly / disassembly of the clutch considerably.

Fits 1970 through 1980 models except R45 and R65.
In Stock
$39.95
Oil Pump Outer Ring View Full Product
Oil Pump Outer Ring Part #1141293

High quality replacement oil pump outer ring.

Equivalent to BMW part number 11 41 1 253 293
In Stock
$134.95
Oil Pump Woodruff Key, 3x5 View Full Product
★★★★★ ★★★★★
Oil Pump Woodruff Key, 3x5 Part #7711440
Woodruff key for your BMW Airhead Oil Pump

Oil Pump:
  • R100: /7, CS, RS, RT, S
  • R60: /5, /6, /7
  • R75: /5, /6, /7
  • R80 & R80RT
  • R90/6 & R90S
  • R50/2
BMW part # 07 11 9 951 440
In Stock
$2.95
Woodruff Key, 2.5 x 3.7mm View Full Product
Woodruff Key, 2.5 x 3.7mm Part #7711414
Woodruff key for the Oil Pump - R50/5, R60/5, R75/5

BMW part # 07 11 9 951 414
In Stock
$1.95
Oil Pump Rotor, 79> Flat Sides View Full Product
Oil Pump Rotor, 79> Flat Sides Part #1141194

Original BMW OEM replacement Rotor Inner for classic BMW airheads oil pump.

BMW part number 11 41 1 335 194
In Stock
$53.95
Oil Pump Inner Rotor /5 View Full Product
Oil Pump Inner Rotor /5 Part #1141294
This is an OEM BMW equivalent replacement Rotor Inner (to 09/75 ) for your classic 2 Valve BMW Motorcycle.

Equivalent to BMW Part # - 11 41 1 253 294
In Stock
$58.60
Oil Pump Inner Rotor /6, /7 View Full Product
Oil Pump Inner Rotor /6, /7 Part #1141971

Original OEM BMW replacement oil pump drive rotor for 1974+ BMW R2V Airheads.

BMW part number 11 41 1 258 971
In Stock
$47.95
Oil Pump O-Ring View Full Product
Oil Pump O-Ring Part #1141895

A high quality replacement o-ring for your oil pump cover. Fits all 2V boxers.

Equivalent to 11 41 1 335 895
In Stock
$4.95
Oil Pump Cover Bolt, 6x16 View Full Product
Oil Pump Cover Bolt, 6x16 Part #7711357

Original BMW OEM replacement oil cover pump bolt.

BMW part number 07 11 9 904 357
In Stock
$2.68
Oil Pump Cover View Full Product
Oil Pump Cover Part #1141182 A high quality replacement oil pump cover

Equivalent to BMW 11 41 1 260 182
In Stock
$76.92
Flywheel O-ring View Full Product
Flywheel O-ring Part #1111099

This o-ring is located inside the guide ring at the end of the crankshaft. This o-ring should at minimum be replaced whenever the rear main seal is being replaced.

Replaces 11 22 1 337 099
In Stock
$4.00
Rear Crankshaft Seal View Full Product
★★★★★ ★★★★★
Rear Crankshaft Seal Part #1111739

Top quality rear main seal. New style, supplied pre-formed, ready to install. Fits all models years, 1970 through 1995

Equivalent to 11 11 1 338 342

In Stock
$27.95
Rear Crankshaft Seal Installing Tool View Full Product
★★★★★ ★★★★★
Rear Crankshaft Seal Installing Tool Part #8811880 This tool by Boxer2Valve makes installing the rear main seal easy, made of aluminum this tool will stand the test of time.  Applicable for all 2 valve airheads from 70 to 95.  This is the same tool that William uses in his instructional videos.
In Stock
$44.95
Adjustable Seal Extractor View Full Product
Adjustable Seal Extractor Part #7220178 With this adjustable seal extractor its easy to find the optimum angle for leverage to extract the seal at the push of a button.
In Stock
$32.95
Flywheel Holding Tool View Full Product
Flywheel Holding Tool Part #8811800 This tool by Boxer2Valve makes removing the flywheel bolts a cinch, made of aluminum this tool will stand the test of time.  Applicable for all 2 valve airheads from 70 to 95.  This is the same tool that William uses in his instructional videos.
Not in stock, we have more coming soon!

Place an order to reserve.
$34.95
SACHS Spline Grease View Full Product
★★★★★ ★★★★★
SACHS Spline Grease Part #5578150-500
Used to lubricate the both the clutch disc splines and input shaft splines. Not every lubricant is suitable. It has to be temperature-resistant and withstand high surface pressure. Unsuitable lubricants can become liquid, solidify, become resinous or burn, causing malfunctions. This high-performance grease optimally meets requirements.
In Stock
$3.95
Clutch Carrier / Flywheel View Full Product
Clutch Carrier / Flywheel Part #2121722

This Flywheel is made by the OEM supplier Sachs and equivalent to the BMW supplied part in every way.

It's not always necessary to replace the flywheel when replacing the clutch however especially on high mileage bikes, this part can show wear and a sticking or worn starter can damage the flywheel's teeth.
In Stock
$219.95
Flywheel Bolt M11x1.5 View Full Product
★★★★★ ★★★★★
Flywheel Bolt M11x1.5 Part #1111060

This is the flywheel bolt in original quality. Flywheel bolts should be replaced every time and should not be re-used.

Note: Bolts are sold each. Five are required.

Fits all models from production date 09/75 onward

Replaces 11 22 1 262 060
In Stock
$4.95
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