HRC quick action throttle review - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 39 (permalink) Old 03-13-2014, 02:48 AM Thread Starter
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HRC quick action throttle review

Well, got it fitted a few days after it arrived from David Silver spares. Instantly noticed a difference while fitting it, it has less travel than my bro's nc30 and his feels pretty sweet.

Also got my water wetter put in and first got to test the throttle while blipping it for that. Made the stupid mistake of forgetting the new throttle had been fitted while doing this, and usually to rev the RC you give it a quick handfull to blip it, well, forgetting the throttle had been changed, I gave it the usual quick handfull and got a very quick WOOF of revs as they jumped up.

I remember thinking 'damn thats pretty sensitive', almost worried a bit. Eventually took it out and adapted quicker than I thought, just had to be real carefull, but once I was used to it, Ive fallen in love all over again. Its just effortless to get the bike up to a very fast pace and dont have to get down and move my arm in an awkward position to get the throttle up. Cant wait to go for a proper ride.

Well worth the money and very happy!

Honda SP1.5 owner
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post #2 of 39 (permalink) Old 03-13-2014, 02:56 AM
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Yeah, i like it a lot. Keeps your wrist at a nice comfortable angle with out having to adjust positioning, just have to be careful and remember not to crank it like you used to.

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post #3 of 39 (permalink) Old 03-13-2014, 04:34 AM
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We fitted one to Carlos' bike last weekend as part of our list of things to get through.
It was just about possible to do without resorting to disconnecting a cable at the throttle fortunately.

For sure it's a worthwhile change. Not least it allows you to more easily blip the throttle for down changes when pulling on the brake at the same time.

Euro RC51 SP2: HRC WSB Ti Hi-Level, T1 Airbox & Snorkel, PCIII, Dymag CA5 Carbon Wheels, Ti64 Spindles (F, R & Swing Arm), Mori Link, Maxton GP7 Shock & Ohlins 832 Forks, Brembo GP Calipers & SBK narrow track (F), Braketech Disc (R), Brembo billet Underslung x 2 Brembo RCS, Tyga Triple, 7075 Stem, Probolt Titanium all over, Babyface rearsets, MR Complete Carbon Lineup, Custom Undertail & CBR 1000 LED, Watsen LED Indicators, Harris Brace, Giles clip-ons, Corbin seat, etc. 2013 BOTY.
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post #4 of 39 (permalink) Old 03-13-2014, 10:23 AM
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My clutchless shifting and overall throttle control improved greatly with the HRC tube. I fell in love with it the very first time I took the bike out for a ride.

John, 2000 RC51 #000100

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post #5 of 39 (permalink) Old 03-13-2014, 12:36 PM
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When I raced mine The pre-race inspector cracked my throttle in the tech barn and was like holy crap touchy throttle !!!
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post #6 of 39 (permalink) Old 03-13-2014, 12:44 PM
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post #7 of 39 (permalink) Old 03-13-2014, 12:49 PM
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I bought on Ebay. A better cheap mod than wheel stickers, even!

http://www.ebay.com/itm/Genuine-Hond...a4d7bb&vxp=mtr

Euro RC51 SP2: HRC WSB Ti Hi-Level, T1 Airbox & Snorkel, PCIII, Dymag CA5 Carbon Wheels, Ti64 Spindles (F, R & Swing Arm), Mori Link, Maxton GP7 Shock & Ohlins 832 Forks, Brembo GP Calipers & SBK narrow track (F), Braketech Disc (R), Brembo billet Underslung x 2 Brembo RCS, Tyga Triple, 7075 Stem, Probolt Titanium all over, Babyface rearsets, MR Complete Carbon Lineup, Custom Undertail & CBR 1000 LED, Watsen LED Indicators, Harris Brace, Giles clip-ons, Corbin seat, etc. 2013 BOTY.
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post #8 of 39 (permalink) Old 03-13-2014, 12:53 PM
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Quote:
Originally Posted by The Stig View Post
I bought on Ebay. A better cheap mod than wheel stickers, even!

http://www.ebay.com/itm/Genuine-Hond...a4d7bb&vxp=mtr
Thanks Stig ... I guess.

Is this something I can install myself?

Any reason I wouldn't want it for street riding?
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post #9 of 39 (permalink) Old 03-13-2014, 01:08 PM
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It's a tricky thing to fit, be sure you don't try & force it as it's only plastic.
Best way is to remove the tank, remove the airbox and loosen the cables for the throttle.
Then remove the throttle assembly, change the tube & re-assemble. On a scale of 1-5 where 1 is easy, this is a 2 2.5. A little challenging, but easy enough to do.

I managed without removing the tank at all, but it's tricky to do this way... I wouldn't recommend trying.

Buy the tube then give it a go. : Maybe use a workshop manual (available online I think).

Euro RC51 SP2: HRC WSB Ti Hi-Level, T1 Airbox & Snorkel, PCIII, Dymag CA5 Carbon Wheels, Ti64 Spindles (F, R & Swing Arm), Mori Link, Maxton GP7 Shock & Ohlins 832 Forks, Brembo GP Calipers & SBK narrow track (F), Braketech Disc (R), Brembo billet Underslung x 2 Brembo RCS, Tyga Triple, 7075 Stem, Probolt Titanium all over, Babyface rearsets, MR Complete Carbon Lineup, Custom Undertail & CBR 1000 LED, Watsen LED Indicators, Harris Brace, Giles clip-ons, Corbin seat, etc. 2013 BOTY.
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post #10 of 39 (permalink) Old 03-13-2014, 01:46 PM
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Quote:
Originally Posted by extrapolator View Post
Thanks Stig ... I guess.

Is this something I can install myself?

Any reason I wouldn't want it for street riding?
None that I can think of, other than personal preference.

It's pretty easy to install: lift the gas tank, remove the airbox, disconnect the cables at the throttlebodies to give you enough slack, then remove the grip, and remove the old tube, then put back together. Final adjustment is the throttle adjuster just under the clip-on.

Couple tricks.
1: a blowgun and compressed air will make grip removal and installation a snap. Just jam the tip under the end of the grip, give a blast of air while pulling the grip off. It'll slip right off like BobbieBrooks on a two bit hooker.
2: before you reattach your cables to the throttlebody, locate the adjuster under the clip-ons to about 1/3 of the way out. Then attach cables to the throttlebodies, adjust the tension at the throttlebodies, then use the clip-on adjuster for final fine tuning.
Then put your airbox back in and reassemble the rest.


John, 2000 RC51 #000100

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