Pulling away on a litre bike

[Shaun]

I'm having a real issue trying to pull away quickly on the FZR, 2/3k and it pulls away gently and then I can put the power down, if I try to pull off at 4k the bike leaps forward and tries to lift to front in a very unsmooth manner, discuss.

Yes, I noticed the SV thread and remembered I meant to ask someone about this

P.s - I miss being able to hold the revs almost on the limiter and just go!

[Jack_Cheese]

it's the same as any other bike - it's all in the clutch. More revs and more slip are required i think. Having said that, i think it'll be best to wait for the opinion of an experienced rider.

Jack

Just posted for the bumpage, really...
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[dainesefreak]

It's purely just a power geometry thing, just play with the clutch slip and power. It will click eventually and you'll be able to do it with out thinking. Greasy roads at this time of the year won't help the rear end too.

[Finglonga]

1000+cc bikes are able to pull away from tickover if you can get the clutch controll right(and your not a fat bast'd). Practice makes perfect.
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Andy Sez....
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[stevo as b4]

Many bikes under 1000cc are also quite able to pull away at around tick over revs, and then smoothly accelerate away quickly. A 1000cc four, certainly has the power to pull very rapidly through the rev range from riding at tickover in 1st gear, and you don't need a quick pullaway to beat other vehicles away from the traffic lights, or to quickly get up to the speed limit etc.

But if your racing another big bike, or trying for a fast 1/4mile time, then you need to do a harder launch, which gets much more tricky. Most 1000cc sportsbikes, will lift the front just from too much throttle being applied to soon, and the front will be hard to keep down just accelerating through 1st and 2nd gear whatever you do.

One point to bear in mind is that Yamaha EXUP's and most big IL4 Yamaha's in general, don't take too much clutch abuse to burn the plates out, so unless you need to do ballistic starts all the time, or are drag racing, then it's best to pull away more slowly most of the time.

[Pte1643]

[_Will_]

My zed pulls off on tickover
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Past -Honda qr50 | 2004 Peugeot Tkr s 50| | 1996 Yamaha XJ600s Diversion|

[aha-shake]

Ah the good old days.

Easy meanderings through the hills of outer Taunton on the varadero.

That was a 125 and if I was feeling particularly lazy that would pull away at tickover (which at the time was about 1200rpm) guess it's a feature of twins?

Cant wait to get back on the road

Oh, and sorry for the zero advice and 100% reminiscence!

shake

[Kickstart]

Hi

Its got a Yamaha clutch. Often grabby buggers. Could that be causing the problem?

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Luke_Retrofly]

redline, dump the clutch
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[Shaun]

[Kickstart]

Hi

Maybe have a session cleaning the clutch up. Bleed the hydraulics, replace the clutch plates (probably not necessary, but eliminates it and Yamaha clutches are a doddle to change) and inspect the basket for wear.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Shaun]

Somehow I saw that coming!

[Annabella]

[Blau Zedong]

[Shaun]

[Kickstart]

Hi

To be honest the Bimota clutch (same engine and clutch master cylinder) is not particular nice. Not that easy to make a quick getaway, but it is also higher geared which probably makes it harder.

All the best

Keith
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Traxpics, track day and racing photographs - Bimota Forum - Bike performance / thrust graphs for choosing gearing

[Pte1643]

[BorderHooner]

Go to a quiet long straight road on a crisp dry day with yer tyres pre heated. Make sure your shocks a set up properly. Lean forward, put your weight on the front. Make sure you are running the correct tyre pressures. Slowly open the clutch as you increase throttle, slowly pinning it. Change up when you are getting scared. Do it again and again until you are keeping it pinned longer and using more and more revs. Learn to release the clutch quicker. You will find the perfect balance of clutch and throttle for your bike.

It's all about being smooth. It's the only way to learn how to make use of the available RPM and power, otherwise if your scared of flipping it or scared of the rush then you may aswell get a twists and go Big CC Scooter and deal with auto gears.

You'll find you can open the throttle heavier with a quicker clutch. there will be a limit to the bikes ability.

You better get used to spinning the back wheel, better off doing it on purpose on a clear empty straight road, start at low speeds, the rear wont overtake the front if you get a good feel for throttle control!



Best of luck.
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