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Discussion Starter #1 (Edited)
Here are the definitive details about the throttle mods.
I couldn’t find accurate info in all the threads about R1, R6 so investigated myself.
6 months ago I ordered an R1 throttle, didn’t notice a huge difference but a little.
Now have just fitted R6 throttle and there is a huge difference right away. A lot easier to get WOT without moving hand up or creeping.

Facts:

2007 GSXR 600.
Part: Standard.
Colour: Black.
Diameter of cable pulley: 33.5mm.
Turn: 1/4.


Mods: None.

2004 R1.
Part: 4YR-26240-02. Could be different for other countries.
Colour: Black.
Diameter of cable pulley: 36.5mm.
Turn: 1/5.


Mods:

The ring/washer that comes on the throttle can either be cut off/left outside the housing or trimmed down in diameter so is flush with the part that cables wrap around. Other than that it is plug and play. I trimmed the ring down and had it inside the housing, this made a snug fit without any sideways movement.

2006 R6.
Part: 2CO-26240-00. This number is what was on the yamaha part label on the bag the tube came in. Some people in the USA are saying their # is 2C0-26240-00-00 (extra 00).

Colour: White.
Diameter of cable pulley: 40.5mm.
Turn: 1/6.


Mods:

For this throttle to fit inside the housing, part of the lower housing needs to be removed with a dremel. Once this is done it fits perfectly. This part also comes with a ring/washer, it does not need to be modified because of the change to the housing. Again I left the ring inside the housing for a closer fit and to stop any side to side movement.

Note:

With both throttles I have had no problems and no binding or sticking, snaps back like the original part. The amount of plastic I removed from the housing was about 4 or 5 mm but just keep test fitting the throttle until it fits without touching, dont worry about the screw hole as we you wont remove enough plastic to get near the screw. The years above are what I asked for when ordering, I’m sure other years will be the same but I don’t know what ones. Ordered from official Yamaha dealer here in New Zealand. Both R1 and R6 throttles are slightly smaller in length than the GSXR, this left a small gap at the bar end.

Procedure for removal (for pics see other thread http://www.gixxer.com/forums/showthread.php?t=110247&highlight=throttle+mod )

Fully loosen the throttle cable adjuster to get as much slack as you can.
Remove bolts holding each half of the housing together.
Split open housing.
Turn throttle to wide open and remove closing cable (closest if sitting on bike), then you can easily remove the opening cable.
Now just remove bar end and slide off throttle tube.

You can dremel the housing while on the bike but to ensure I didn’t scratch or screw anything up I removed it completely so I could work on it. To do this:

Remove screw and bracket holding throttle cables into lower housing. Take cables out of housing.
Unscrew white plastic covering starter button, then remove screw holding button in place.
Snip/cut cable tie holding wires to housing and its free.

Reverse order to put back together.

Whole job took 15 mins start to finish.
See photos below.
Enjoy.
 

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There you have it fellas run out and buy a R6 throttle tube!!!
 

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I got the R6 throttle, it has a noticeably bigger cam than the gsxr. I trimmed the ring (washer) so it would fit but the housing didn't need any modification.:dunno
 

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I asked around before i did the r1 tube and nobody seemed to know if the r6 was 1/6 and the r1 was 1/5 so i just did the r1 tube. Might get a r6 tube and try that out for kicks. Thanks for the comparo:cheers
 

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Here are the definitive details about the throttle mods.
I couldn’t find accurate info in all the threads about R1, R6 so investigated myself.
6 months ago I ordered an R1 throttle, didn’t notice a huge difference but a little.
Now have just fitted R6 throttle and there is a huge difference right away. A lot easier to get WOT without moving hand up or creeping.

Facts:

2007 GSXR 600.
Part: Standard.
Colour: Black.
Diameter of cable pulley: 33.5mm.
Turn: 1/4.


Mods: None.

2004 R1.
Part: 4YR-26240-02.
Colour: Black.
Diameter of cable pulley: 36.5mm.
Turn: 1/5.


Mods:

The ring/washer that comes on the throttle can either be cut off/left outside the housing or trimmed down in diameter so is flush with the part that cables wrap around. Other than that it is plug and play. I trimmed the ring down and had it inside the housing, this made a snug fit without any sideways movement.

2006 R6.
Part: 2CO-26240-00.
Colour: White.
Diameter of cable pulley: 40.5mm.
Turn: 1/6.


Mods:

For this throttle to fit inside the housing, part of the lower housing needs to be removed with a dremel. Once this is done it fits perfectly. This part also comes with a ring/washer, it does not need to be modified because of the change to the housing. Again I left the ring inside the housing for a closer fit and to stop any side to side movement.

Note:

With both throttles I have had no problems and no binding or sticking, snaps back like the original part. The amount of plastic I removed from the housing was about 4 or 5 mm but just keep test fitting the throttle until it fits without touching, dont worry about the screw hole as we you wont remove enough plastic to get near the screw. The years above are what I asked for when ordering, I’m sure other years will be the same but I don’t know what ones. Ordered from official Yamaha dealer here in New Zealand. Both R1 and R6 throttles are slightly smaller in length than the GSXR, this left a small gap at the bar end.

Procedure for removal (for pics see other thread http://www.gixxer.com/forums/showthread.php?t=110247&highlight=throttle+mod )

Fully loosen the throttle cable adjuster to get as much slack as you can.
Remove bolts holding each half of the housing together.
Split open housing.
Turn throttle to wide open and remove closing cable (closest if sitting on bike), then you can easily remove the opening cable.
Now just remove bar end and slide off throttle tube.

You can dremel the housing while on the bike but to ensure I didn’t scratch or screw anything up I removed it completely so I could work on it. To do this:

Remove screw and bracket holding throttle cables into lower housing. Take cables out of housing.
Unscrew white plastic covering starter button, then remove screw holding button in place.
Snip/cut cable tie holding wires to housing and its free.

Reverse order to put back together.

Whole job took 15 mins start to finish.
See photos below.
Enjoy.
Titties bro, someone give this man a Bj.:shifty
 

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when you switch tubes can you still use the grips you have or is the diameter different on the r6 tubes?
 

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Discussion Starter #17 (Edited)
From what I can gather from previous threads on the subject it sounds like some years of the R1 and R6 sound like they are the same part, this could explain why
TheCunningMan only had to trim his washer, as I had to with my R1 tube. My write up refers only to the years which I stated.

With the grip situation the tubes are the same diameter. I just left the R6 one on, it blends in fine. If you wanted you could fit some gel grips or something to get them the same, I havent tried getting the gsxr one off the old tube so cant help in that respect (may be glued on?).

Cheers
 

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I killed Biggie and Tupac
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6,053 Posts
Damn. Know I want an R6 tube.
 

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Did mine last night along with vortex clip-ons and crg levers and OMG... Night and day difference with throttle control. Seriously, I highly advise this. I got mine for like 15 bucks shipped from bikebandit.com
 
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