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TECHNICAL MOTOBRICK WRENCHING In Remembrance of Inge K. => The Motobrick Workshop => Topic started by: Martin on January 21, 2016, 11:47:27 PM
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HM2PAC had trouble with standard throttle lock. I do believe they are illegal in the land of OZ so check your states laws. They do come in handy when you want to rest your hand and do other things. So I have posted a pictures of my home made throttle lock, this was the prototype so was a little rough, but it is the same as one fitted to my bike, over the years I have made about 1/2 dozen. Its just made out of 25mm 3mm thick aluminium angle. All you need is a hacksaw, vice , files and an electric drill. I have foam grips, but I have made one for a mate who had standard BMW grips. It will require a little bit of careful trimming of the large grip flange ( have to keep it round not oval ), and adjusting of the curve in the aluminium, the wide bit is for my thumb, my mate had larger hands so this part was omitted. The measurements are mirror bracket width 25mm mirror bracket height 21mm. Activation lever length 90mm, width 14mm, thumb rest width 25mm length 20mm if you have big fat hands just make the lever 14mm all the way down and round off the ends. the pivot bolt is 6mm stainless with a nyloc nut. Drill the hole for the mirror last I just removed the mirror held the lock in place and marked the hole. Once adjusted it has required very little tightening about 4 times over 16 years.
Have fun Martin :clap:
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More pictures
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Can only seem to post one or two at a time.
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It's a clever and useful concept, Martin, but next time try to shoot for a model only needing adjustment two times in sixteen years. There are busy folks here, you know. :giggles
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As requested a couple more photos. As shown very little movement required to activate, the photo shows maximum activation, will actually stop throttle from returning with less. When not activated the lever and the bracket are level.
Regards Martin
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I have just realized the prototype bends down, the one on the bike bends up. It was 16 years ago, so bend as on the bike. I think I changed it so everything would be level when not engaged :dunno
Regards Martin.
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I have used throttle locks on previous bikes, and made one for my K75RT today. I used 1.4 X 25 X25 m.m. angle ali from a local hardware store. Seems to work OK.
I'd add a couple of notes:
- Begin forming both parts, then bolt them together at the hinge whilst finishing off. Drill the mounting bolt hole last - once you're happy with it sits and operates, then mark the mounting hole and drill it. My bike has a full fairing, so I used a regular bolt through the mirror mount, and made the mistake of drilling a pilot hole for this without checking the mounting first. :nono
- Ensure you don't have any of the mount or lever material in a position that will interfere with the brake lever's full travel :yow - leave plenty of clearance. I wound up having to cut away quite a bit of ali to ensure it had this clearance (see pic).
Cheers,
Max in Melbourne, Australia
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Do you guys not have the spring-loaded friction screw that comes up on the bottom side of the throttle housing--i thought that was the built-in cruise control...
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That's what I use on my K75's.
P/N 1 454 414 $9.67
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I did have one but found it hard to use especially, with gloves on. Aluminium angle iron version is quicker, safer and easier to use.
Regards Martin.