Lack of Front End/Steering Feel - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 50 (permalink) Old 02-09-2012, 12:19 PM Thread Starter
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Lack of Front End/Steering Feel

I posted this in the general as well:

I switch between riding my 03 GSXR750 and my 05 RC51. My RC has stock forks (serviced two years ago, but not heavily ridden) with an Ohlins Rear and a Scott's Stearing Dampener, and the sag was set about two years back, too. My GSXR (now a track bike) has Showa superbike forks and an Ohlins rear shock, and feels dialed in.

I have found that my Suzuki has much more front end feel, while my RC feels more loose and slightly disconnected in comparison. On another level, I feel like I am riding lower or inside the GSXR, while I feel like I ride on top of the RC -- if that makes any sense.

Are there any suggestions to improving my steering/front end feel? Should I crank down the dampener?
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post #2 of 50 (permalink) Old 02-09-2012, 02:55 PM
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RC51 stock forks SUCK ,, get them valved and change the top out spring , theres a mod for that , i just had mine done new springs top-out mod valves , new bike now

  • Penske triple adjustable shock Moriwaki linkage
  • forks , valves , springs ,top-out mod
  • Moriwaki rearsets
  • Carbon Airbox heatshielding custom K&N panel filter
  • Power Commander USB
  • Galfer superbike full foating rotors - SS braided lines
  • Brembo 19 RCS Adjustable Ratio Radial Brake Master Cylinder
  • DID 520 gold chain
  • CRG folding clutch lever
  • Relocated battery Shortened wiring harness
  • Flapper PAIR EVAP removed
  • Soft Rev limiter removed
  • 15/41 gears 520
  • Vortex clip-ons
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post #3 of 50 (permalink) Old 02-10-2012, 11:18 AM
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My RC handled poorly when I bought it (coming off of a 600RR). The previous owner had the forks rebuilt so they are OKish. Bike felt heavy, no turn in, didn't feel nimble at all, I kept thinking "they race these things!?" I noticed the rear suspension seemed to "sit" really low. I put a couple of shims in the rear shock to raise the rear suspension height. I also put new tires on the bike, changed out a 190/50 rear for a 190/55. These changes increased turn in dramatically (not enough to make the bike twitchy). The bike was immediately more lively, felt light and nimble. Check your tires first, make sure they are in good nick and the proper profile. Then, you might want to try either raising the rear suspension height a bit or raising the forks (lower the front end). See if that helps.

I can't speak for the stock forks as the forks in my bike were already upgraded when I got it, however you should be able to get them close enough where the bike doesn't feel like a POS.
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post #4 of 50 (permalink) Old 02-10-2012, 11:35 AM
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i really don't get the "heavy" feeling,at all. even after the 636. the SP2 RC's only weigh MAYBE 470lbs wet. it's definetly no heavier than my Bros. 2002 Yzf600r. with a decent exhaust,you drop another 20lbs. flapper/pair valves,that's gotta be another 5lbs. at that point an SP2 is what,maybe 15lbs heavier than a 2nd gen. Ninja 636? i dunno,but it still feels like a lil toy after gettin of my 580lb FZR1000.
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post #5 of 50 (permalink) Old 02-10-2012, 03:58 PM Thread Starter
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I just spoke with Mike at Dan Kyle Racing. He, too, said the stock forks are probably my problem. He recommends the Ohlins valves and springs rebuild for about $650.
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post #6 of 50 (permalink) Old 02-10-2012, 04:06 PM
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Mike's a total prick, thinks he's some sort of RC51 guru or something...
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post #7 of 50 (permalink) Old 02-10-2012, 05:57 PM
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Ohlins Valve & spring kit will probably give you a one size fits all solution.
Probably a improvement anyways, depends on what you really want.

Also as someone's said above, check your tyres. If they're worn considerably in the centre from a lot of straight line riding this can affect steering response too, especially at slower speeds, but also check tyre pressures (regularly)!

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post #8 of 50 (permalink) Old 02-10-2012, 06:01 PM
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Quote:
Originally Posted by LDH® View Post
Mike's a total prick, thinks he's some sort of RC51 guru or something...
Wow....talking in the 3rd person....never expected that Er, yes I did.



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post #9 of 50 (permalink) Old 02-11-2012, 02:24 AM Thread Starter
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Thanks for the tips. Tires are definitely NOT the culprit. I have almost new BT016's and even wear.
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post #10 of 50 (permalink) Old 02-12-2012, 07:34 AM
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Quote:
Originally Posted by TheGrabulator View Post
I noticed the rear suspension seemed to "sit" really low. I put a couple of shims in the rear shock to raise the rear suspension height
I have exact the same idea on the heavy steering, and coming from a Duc, with nice ride height adjustment as standard, I already prepared some different thickness shims as well.

What is the thickness you might recommend us?
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