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Discussion Starter · #1 ·
So I tried to install the R6 throttle (2C0-26240-00-00) yesterday, and I can’t get it to work properly. I Shaved down the parts like you are supposed to, but it still doesn’t move freely. And it binds or something when I turn the handle bars to the right. Any tips?
 

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Have you read through this thread? I had to remove quite a bit of material from the housing and guide tube before my throttle would return freely. That also allowed the cable to pull in a straight line where it came off from the pulley, giving it enough slack so that it wouldn’t pull tighter when I turned the bars to full lock.
 

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Discussion Starter · #3 ·
Have you read through this thread? I had to remove quite a bit of material from the housing and guide tube before my throttle would return freely. That also allowed the cable to pull in a straight line where it came off from the pulley, giving it enough slack so that it wouldn’t pull tighter when I turned the bars to full lock.
Yeah I read through that, I dremeled out both spots and it helped a bit, but I obviously need to fix some other part of the housing to get rid of the drag. Could you send photos of which spots you messed with?
 

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@X400X, here’s a picture from one of those threads. It originally came from Norton’s throttle tube installation guide. I’ve marked it in yellow and circled the additional places where I had to grind. I used a Dremel with a sharp 1/8” drill bit, but a ball end cutter would have worked great also.

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Be careful when you are modifying the guide tube on the right side of the picture - you have to remove quite a bit of material, but you wouldn’t want to grind all the way through. I ran the drill bit straight in the end of the guide tube exactly where the yellow mark is, making a ramp at least a half of an inch deep so that the cable wouldn’t rub where it comes off from the larger R6 pulley.
 

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Discussion Starter · #5 ·
@X400X, here’s a picture from one of those threads. It originally came from Norton’s throttle tube installation guide. I’ve marked it in yellow and circled the places where I had to grind. I used a Dremel with a sharp 1/8” drill bit, but a ball end cutter would have worked great also.

View attachment 20644 Be careful when you are modifying the guide tube on the right side of the picture - you have to remove quite a bit of material, but you wouldn’t want to grind all the way through. I ran the drill bit straight in the end of the guide tube exactly where the yellow mark is, making a ramp at least a half of an inch deep so that the cable wouldn’t rub where it comes off from the larger R6 pulley.
Ohhh ok I didn’t mess with the guide tube yet. I’ll drill that out some and give it a shot. Thank you!
 

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Discussion Starter · #8 ·
Got it to work, I had to dremel down the guide tube a bunch. Feels super solid compared to the stock throttle
 

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2019 Kawsaki Ninja 400 EX400
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I’ve done the mod to my n400 as well. I didn’t have to do any modifications to it in order to make it fit.
 

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When I first got my bike I tried the “Motion Pro R6” tube. It didn’t require any modifications because it was the identical size as the stock tube. No change at all. A total waste of time. I’ve wondered if the actual Yamaha R6 tube has a larger diameter pulley.

I’ve since gone to the full on Motion Pro adjustable throttle assemble and use it’s largest cam. The difference is amazing. I would guess the rotation to full throttle is maybe a little more than 1/8 turn. :)
 
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