For years, Twisted Throttle Ltd. has been bugging me to make a throttle lock, to go with our weights. I resisted, because I know throttle locks are everywhere. But I agreed to plant the idea in my mind, and try to cultivate a concept that would present a genuine alternative to the existing designs. I wanted to come up with something that was either nicer to use, or cheaper, than the popular brands. And of course it had to be very pretty.

It took two years and much experimentation. I invented and rejected three different throttle locking systems that had never been sold before, to my knowledge. I finally settled on this one. It looks just like a normal weight, with a simple, uncluttered appearance. The motion to operate it is familiar to the touring community, yet it is much easier to use than other units that operate with the same motion. And it is priced competitive to anything of similar quality.

7/8" Throttle Lock Stainless Steel Click for larger image. (Opens a new window.) Stainless Steel finish 7/8" Throttle Lock Stainless Steel set: (1) Throttle Lock and (1) Bar-End Weight $115.00

These have exactly the same physical dimensions as our standard 7/8" Hollow-Tube weights. The only difference in appearance is a seam about 5/16" from the outer end, which marks the place where the mandrel ends and the collar begins.

Click for larger image. (Opens a new window.)
Off position

Click for larger image. (Opens a new window.)
On position

Illustrated Instruction Manual
View the step-by-step, 6 page installation manual for the 7/8" Throttle Lock.

• Manual 590 KB pdf file

8 mm Kawasaki Throttle Lock Stainless Steel Click for larger image. (Opens a new window.) Stainless Steel finish 8 mm Kawasaki Throttle Lock Stainless Steel set: (1) Throttle Lock and (1) Bar-End Weight $100.00

These have exactly the same physical dimensions as our standard 8 mm Bolt-On weights for Kawasaki. The only difference in appearance is a seam about 1/2” from the outer end, which marks the place where the mandrel ends and the collar begins.

Click for larger image. (Opens a new window.)
Off position

Click for larger image. (Opens a new window.)
On position

Illustrated Instruction Manual
View the 4 page installation manual for the 8 mm Kawasaki Throttle Lock.

• Manual 283 KB pdf file

How it works:

The unit is spring-loaded to press against the end of the throttle grip. It is held back by a mechanism inside the weight. To release the spring, twist the weight collar in a throttle-on direction, until the collar springs against the grip. Your throttle is then held still by friction. You can close it at any time; it is not screwed tightly in place like some other throttle locks can do. Just close it - the spring never resists more than so much.

When you want to free the throttle, just pull outboard and twist the collar in the throttle-off direction. You can leave the throttle lock loosely disengaged for easy future use, or if your bike can vibrate the collar back into the locked position (most can’t) then you can twist it fully in the throttle-off direction 'til it seats there.

At the ideal spacing from the grip (1/32" to 1/16") it may not even be necessary to pull the collar outward, the collar will cam outward on its own as you twist it.

Advantages:

• No Adjustment
  The principal advantage of this mechanism over the other premium brands, is SET IT AND FORGET IT. Just once, you fiddle with the grip spacing and glue it in place with grip glue if necessary (it usually isn’t). After that, it is either on or off. No fiddling to adjust for the right tension. The throttle is either held gently still, or completely free.
  
  
• No rust, no lubrication
  All components of the mechanism are Stainless, and all attachment components are highly corrosion-resistant. I designed them to run with acceptable smoothness, with no lubrication. They should be good to run hard and put away wet, and not require attention. You can use these on your current bike, and save them for you next bike.
  
  
• Simple appearance
  The throttle locks have exactly the same physical dimensions as our standard Bar-End Weights. The only difference in appearance is a seam near the outer end, which marks the place where the mandrel ends and the collar begins. There is no extra clutter. The feature is just built into something that you probably wanted anyway.
  

Enjoy!

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BIG WARNINGS:

THIS PRODUCT IS DANGEROUS!
This product, used as directed, takes extra skill and a clear head to use safely.

This product, used as directed, will hold your throttle open, even if you stop paying attention. If the operator forgets to manually close the throttle, the motorcycle can be difficult to slow down, or stop. This can cause DEATH OR SERIOUS INJURY.

• Never remove your hands from the grips.
• Never use this device in traffic.
• Never use this device at times when you might need to change speed.
• Never use this device to perform stunts.
• Make a habit of forcing the throttle closed EVERY time you use the front brake, regardless of the throttle lock’s position.

This device is designed to reduce hand fatigue on long stretches of freeway, to enhance endurance and comfort.

Every possible precaution has been taken to ensure that the operator can adjust or close the throttle despite the throttle lock, if she sees fit. But the operator is ultimately responsible to close the throttle if it needs closing.

HEADSHAKE HAZARD

If you have headshake before you put on the weights, DO NOT USE THE WEIGHTS AS A SOLUTION! FIX IT BEFORE YOU WIPE OUT! Here are some maintenance issues that relate to head shake. Most times, addressing these issues will eliminate head shake.

• Tightening, lubing, or replacing the headset bearings.
• Tightening, lubing, or replacing the swingarm bushings.
• Looking for and correcting cracks or missing fasteners on the frame.
• Changing your fork oil.
• Checking your tire pressure and condition.

If headshake persists, as it characteristically does in certain models of bike, there are tuning issues you might try:

• Changing ride height, preload, or damping of either end, but especially the front end.
• Changing front or rear tire pressure.
• Switching make or model of tire.
• Adding a steering damper.

If our product does not answer the problem of handlebar vibration for you, or if headshake or other handling problems cannot be eliminated without it, please return it, and we will refund your money.