BMW K100 sKrambler [1983–1991] - K-Series Fork Cartridges

Adjustable Fork Cartridge Kit for BMW K Models

This pair of hydraulically adjustable cartridges was developed for the original fork of selected BMW K models. It replaces the existing hydraulics and springs and adds compression, rebound and spring preload adjustment to the fork.

Hydraulics and Adjustment Options

• 105-W06 cartridge model with threaded cap
• Hydraulic compression adjustment
• Hydraulic rebound adjustment
• Adjustable spring preload
• Pistons with enlarged oil passages
• Developed to Unitgarage specifications for the original fork

Scope of Delivery

• One pair of fork cartridges
• Matching springs

Identifying the Correct Fork

BMW used different suppliers and fork designs for the K models. The existing fork must therefore be checked against the technical specifications before installation.

• Cartridge: 105-W06
• Threaded cap
• Cartridge base screw: M10 × 1,5
• Fork length: 810 mm
• For K1100-RS models from production years 1993 to 1997 with Marzocchi fork
• Fork diameter: 41,7 mm

The cartridge base screw passes through the fork bottom and secures the cartridge in the lower section. Fork length is measured with the fork fully extended, from the center of the wheel axle to the end of the chrome-plated fork tube. To extend it fully, secure the fork in a vise and pull it apart firmly to overcome the internal counter spring.

Installation and Lubricants

Correct installation is safety-critical and must be carried out by an experienced technician. The use of Öhlins fork oil in the quantity specified by the manufacturer is recommended.

Note: No ABE, No TUV

Compatibility

• BMW K100 sKrambler
• BMW K100 Marrakesh

Due to the different fork versions, technical identification based on the specified characteristics is mandatory before installation. The product is continuously refined in detail; images may therefore show an earlier version.