BMW K75, K100, K1, K1100

Maintenance & Modifications

Just picked up a "new" K bike? Click here.

IMPORTANT DISCLAIMER: I am hosting the information on these pages in hopes that others might find it useful.  It is solely my opinion on things and how to maintain/modify a K bike. I am not a trained motorcycle mechanic nor do I claim to be a "guru" nor expert on these bikes, merely a somewhat experienced "shade-tree mechanic." In fact, the only claim to fame I will ever make with respect to K bikes is that I have probably broken and messed up more things K than anybody else on the planet. As the saying goes, experience teaches us things that we never wanted to learn in the first place. I do not warrant that any of the information here is correct or the "right" way to do things. Therefore, any information you use from these pages is AT YOUR OWN RISK and I assume no responsibility whatsoever for any physical, property, emotional or other damages you may incur from use of the information contained herein.

AUGUST, 2017: I put much of this information together several years ago so some of it may be out of date. (Like info on tires and some products I refer to may no longer be available for sale.)

CONTACT EMAIL: smithduck@gmail.com

 

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Maintenance & Mods Categories

Maintenance & Operation
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Maintenance & Operation
K Bike General Maintenance (PDF)
K Bike Checklist (PDF)
K Bike Motor Oils
General Maintenance Parts #s
BMW Maintenance Schedule for All Ks
Operating Tips for a K75 or K100(2V) (PDF)
Operating Tips for a K100RS4V/K1/K1100 (PDF)
K75/K100(2V) Torque Specs (PDF)
K100RS4V/K1/K1100 Torque Specs (PDF)
K100 Troubleshooting - from K100 Forum (PDF)   Link to K100 Forum
Jacking Up The Front End Of A K Bike
Remove/Install K75/K100 Front Wheel (JPG)
System/Side/Pannier Case Mounting & Removal

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Rider (Owner) Manuals
K75
K100
K1 & K100RS4V
K1100
K75/K100 ABS Manual
BMW AM/FM Cassette Radio Manual
 

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Shop Manuals
K75 & K100
K1 & K100RS4V
K1100
 

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Products
General Maintenance
Tires
Batteries
Battery Charger & Power Outlets
Aftermarket K Bike Shocks
 

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Instruments & Controls
Instrument Cluster
Install Electronic Cruise Control On A K Bike
Install CCS-100 Vacuum On A K Bike
Fix A Flaky Speedometer
Aftermarket Heated Grips With OEM Switch
Variable Heated Grips
K Bike Dash Switch Rehab
Dash Switch Part Numbers (PDF)
LED Backlit Dash Switches
Replace K Bike Digital LCD Clock
Gear Position Indicator (GPI)
Emulate GPI Switch Start In Neutral
Speedometer Calibration
Fix Bad Cluster Backlighting
Adding Fuel & Temp Gauges
Hazard Flashers
 

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Engine
Smoky Starts
Remove K75/K100 Mass Airflow Sensor
4V Valve Check/Adjust Notes
DIY Fuel Injector Cover
 

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Fuel System
Ethanol In K Bikes
Replace Fuel Filter
Throttle Body Sync
Fuel Injectors
Replace Fuel Level Sender Connector
1985 & Earlier Fuel Level Sender
1986 & Later Fuel Level Sender
K Bike Fuel Pumps
Aftermarket Fuel Pump Parts
Replace Intake Manifolds
Air Accumulator (a.k.a. "The Cup")
K1100 Throttle Bodies On A K75
 

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Drive Train

Splientology
Clutch Spline Lube
Clutch Work w/o BMW Special Tools
4V Drive Shaft Failure
K100RS4V, K1, K1100 Drive Shaft Phasing
Convert Monolever Rear End To Paralever
Adjust K Bike Clutch
Remove Clutch Arm Pivot Rod
Rebuild Paralever Final Drive Bearings
 

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Lighting

Awesome $6 LED Rear Lighting Enhancement
Fork Mounted LED Aux Lights
Headlight Relays
LED Parking Lights/Turn Signals V2.0
License Plate LEDs
DIY LED Flasher Relay
LEDs w/ OEM Flasher Relay
Bulb Monitor Unit (BMU)
LED Backlit Reflectors
Easy Inexpensive LED Taillight Upgrade
Strobing Brake/Tail Lights
K75/K100 Naked Headlight
Replace A Fuel Or Temp Gauge Bulb
 

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Electrical

Relay Box Layouts
Wiring Diagrams
Auxiliary Fuse Block
Radiator Fan
Waterproof Micro Relays
Make Turn Signals Double As Brake Lights
Add A Fuse To The OEM Fuse Block
Wire Gauge
12V Power To Tank Bag
Soldering 101
Powerlet LED Voltmeter
 

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Suspension/Steering

"De-Mush" Handlebar Mounts
K75: Upgrade Springs - Showa Forks
 

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Brakes

ABS (Anti-lock Braking System)
Improve Front Braking - K75/K100
Leaky Brake Master Cylinder
 

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Body

Remove Tail Cowl - Install Tail Rack
Install Front Foot Peg
K75S Fairing (PDF)
Simplified Rear Seat Hinge Pin
K1100LT/K75RT Electric Windscreen
RT/LT Fairings
Fitting a "New" Seat/Seat Alignment
K75 "T" Model
RT/LT Anti-theft Radio Code
 

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Other

Inexpensive Riding Movies (K100RS/K1100RS)
OEM K Bike Tool Kit
"Rekeying" K Bike Locks
My Favorite Multimeter
Interesting/Useful Tools
Mototunes
Digital Media Head Unit w/ Marine Remote (RT/LT Models)
Combination GPS/Camera Mount (K1100LT or 94/95 K75RT)
 

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