33BHP Restriction

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bigwheelie
09/02/2006 at 20:50
chaps, just looking for some advice about 33BHP restriction! i no its not all about top speed, but what top speed and acceleration would i be looking at on something like an r6 or cbr600rr??? and what top speed and acceleration would i get out of something like a 450 supermoto??? any help would be great cheers
Olly
09/02/2006 at 20:52
<sigh>

Do a search, this question is aked once a week on here. You;ll find the same replies as always - to sum up, why bother with a big heavy bike, whose power delivery characteristics really aren't designed for and will not suit restriction to 33hp. Get a 500 twin / 400 / Goose / similar etc....

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Snake uk
09/02/2006 at 20:55
my mate had his zzr600 restricted due to his license, it didn't affect his acceleration only his top end (to about 110mph).

It didnt stop him from taking out the restrictors tho'
Bike Breaker
09/02/2006 at 21:08
Roughly, 30hp will get you 100mph.
Everyone is entitled to my opinion.
PLuKE
09/02/2006 at 21:27
My Hornet is restricted 2 33BHP , It kills them, No point in revving it past 6k as it just was vibrating and didnt wanna do it, Accleration was very bad and topend is about 100mph, My RS125 which de-restricted kick out 30-33BHP was quicker!.

Luke
00 (race) Yamaha R6
Derby Phoenix P.I 600
Wirral 100 F600
dinsey
09/02/2006 at 21:28
bros 400
"the purpose of life is to fight maturity"
WiseBuddha
09/02/2006 at 21:30
dinsey wrote
bros 400


Listen to this man

Buy a bike that was designed to run at 33bhp rather than crippling a bike

There is also the fact that you cant be "tempted" to "accidently" derestrict it
DitchfinderGeneral
09/02/2006 at 21:41
Derestricted 33bhp RS125

Matt "Hedgerow" Hopkins
mrs fud
09/02/2006 at 21:43
I've got an SV 650 K5 and that is restricted, as it is the K5 model it is restricted by a Suzuki ECU (just plug in) and she run's like a good 'un.

Jo.
:burnout:

www.ride-out.com
Agent Wayward
09/02/2006 at 21:45
Bike Breaker wrote
Roughly, 30hp will get you 100mph.


Fantastic!

My Ural punts out a healthy 26bhp, so must be good for 87mph.

WoW. I've only had it up to 70 so far and that was, quite frankly, terrifying.

Agent Wayward
09/02/2006 at 21:47
FWIW I know of a few "people" who have had Ducati 748s restricted.

It's just such a terrible idea, you end up looking like an idiot and the bike runs like poo.
09/02/2006 at 22:35
I only noticed my 33bhp on a vfr400 while on the motorway or anywhere around 65-70+. Below that it ran ok, after that it ran crap.

Sorted it by derestricting it, ran perfect saw 130 on the speedo without a hiccup, although slightly naughty. Thank god my 33bhp days are over.
zhed44
09/02/2006 at 22:40
Agent Wayward wrote
FWIW I know of a few "people" who have had Ducati 748s restricted.


WTF? I had mine restricted to 49bhp on Tuesday when the f***er decided to run on one cylinder for half an hour.


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Bobzilla
10/02/2006 at 08:17
DitchfinderGeneral wrote
Derestricted 33bhp RS125


Is not legal on an unrestricted licence as it fails the second criteria of power/weight ratio. So were you to find yourself up in front of the beak, that'd be no licence, no insurance, and a probably ban and retest.

Do not rely on anything I have said. Unless of course you have paid for the pleasure. Whereupon my insurance will sort out the mess.
But you can trust me not to blab it round the forum.

choc-ice
10/02/2006 at 09:27
Snake uk wrote
my mate had his zzr600 restricted due to his license, it didn't affect his acceleration only his top end

*cough* bullshit *cough*

It would affect acceleration because 33bhp doesn't get you there as quick as whatever it makes unrestricted.
bigwheelie
10/02/2006 at 14:13
Thanks for the help, its just if i get a 400 supermoto or somthing like that i dont want to have to buy another bike in two years or less if you see what i mean???
balbas
10/02/2006 at 14:20
I'll tell you after the weekend if I can remember. I'm picking up my GF's 'new' restricted CBR 400 and riding it the 100 miles home.

I've ridden an un-restricted version before, so I should be able to give you a pretty good idea what the difference is.
BMW Rockster, CBR 600F & Aprilia Pegaso 650

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bigwheelie
10/02/2006 at 18:36
thnks mate much apprieciated!
Nippy
10/02/2006 at 19:01
bigwheelie wrote
Thanks for the help, its just if i get a 400 supermoto or somthing like that i dont want to have to buy another bike in two years or less if you see what i mean???


Also, someone might want a larger or more comfortable bike for touring. There are good reasons to restrict a more powerful bike to 33hp.

Personally, I'd take a rule of thumb that anything much over 55hp won't restrict very well. And obviously, the lighter the weight of bike the better. That more or less equates to one of the 400/4s, or a twin up to, say, 650cc, or most singles.

The only thing that would make me nervous about restricting a supermoto would be that given the thing's designed for fun and hooliganism, whilst being fiendishly uncomfortable and impractical, that you'd lose the fun but of course retain the disadvantages.
blessmycg
10/02/2006 at 19:03
I derestricted my CB-1 400 (detuned CBR motor). It makes about 45-50bhp unrestricted. Mine ran fine restricted, although it didn't run well with the choke on, hence sometimes dodgy cold starting. Only really made a difference to the bike at all above about 9,000rpm. Although that is where you'll need to be for anything fun to be going on.
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