Restricting a GPZ500

[joshdudeha]

So I'm about to be let loose on my GPZ after my birthday on Thursday and just wanted some guidance from the forum

It needs restricting down to 33BHP because of my license. However there is no way on earth I am spending 200quid through FI and I know about how the certificate is not a legal requirement.

I've found washers on ebay for £40 that restrict it but still think it's a bit much for a couple of washers.

Is there anywhere else I can get the washers from, or have made for cheaper? Or what about the throttle stop I hear about? How much would I have to restrict the throttle by to get 33?

Thanks for your help
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Piaggio Zip 50 -> Yamaha YBR 125 -> Kawasaki GPZ500S '96 -> Suzuki GSF600N Bandit -> Honda CBR 600FW
Theory Test: 13/07/2011 Passed! | Mod 1: 27/07/2011 Passed! | Mod 2: 17/11/2011 Passed!!!!!

[moonzoomer]

To the best of my knowledge you need a certificate to prove the bike is restricted so restricting it yourself might not be an option.

[Ingah]

Do the washers imo - throttle stop will affect the bike more.

£40 is steep for washers, but at least you're not blindly paying over the £200. I paid £33 for my kit about 4 years ago (CB500), but then that did include new jets too, and was from Honda. Was just happy that i didn't need to go the FI International route.
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-- Ingah

[Rogerborg]

[joshdudeha]

Cheers Rogerborg, saves me forking out 40 quid for a bit of metal. You're really bloody helpful, you know.

And Moonzoomer I stated that I knew that a certificate wasn't in fact needed. But thanks anyway.
____________________
Piaggio Zip 50 -> Yamaha YBR 125 -> Kawasaki GPZ500S '96 -> Suzuki GSF600N Bandit -> Honda CBR 600FW
Theory Test: 13/07/2011 Passed! | Mod 1: 27/07/2011 Passed! | Mod 2: 17/11/2011 Passed!!!!!

[joshdudeha]

One more thing, do the washers need to be 1mm thick?
____________________
Piaggio Zip 50 -> Yamaha YBR 125 -> Kawasaki GPZ500S '96 -> Suzuki GSF600N Bandit -> Honda CBR 600FW
Theory Test: 13/07/2011 Passed! | Mod 1: 27/07/2011 Passed! | Mod 2: 17/11/2011 Passed!!!!!

[mysterious_rider]

for that 40 quid you get a few sheets of proof of restriction. But meh. I paid the £40. Easy nuff to fit.

[joshdudeha]

[Matt B]

Are there any GPZ specific forums out there?

If so, maybe you could ask around and see if anybody has some old washers kicking around after removing them.
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stinkwheel: He had an animated .gif of a cat performing fellatio. It's not socially acceptable. It can have real life adverse effects on other people.

[joshdudeha]

Good point, I may have a look
____________________
Piaggio Zip 50 -> Yamaha YBR 125 -> Kawasaki GPZ500S '96 -> Suzuki GSF600N Bandit -> Honda CBR 600FW
Theory Test: 13/07/2011 Passed! | Mod 1: 27/07/2011 Passed! | Mod 2: 17/11/2011 Passed!!!!!

[mysterious_rider]

[moonzoomer]

I know that when my brother restricted his own bike that he could not get insurance without a proper certificate and had to pay the 40-50 quid for the washer, jet and certificate kit otherwise he could not use the bike legally.

[mysterious_rider]

[J.M.]

[Rogerborg]

[moonzoomer]

[Quornholio]

So many wrongs in your post it is untrue.

[J.M.]

[moonzoomer]

[J.M.]

[moonzoomer]

[P.]

[Rogerborg]

You're required to disclose material facts. Norwich Union (are they even an underwriter?) can try and reject any claim by the insuree that they like, but there's the Ombudsman and a proper court to go to if you think they're trying on it.

For a GPZ, you'd be looking at TPO insurance anyway, in which case they have a statutory obligation to pay out to 3rd parties, and they can then try to recover it from you. It's just risible to suggest that there's any realistic chance of that if you've reduced the bike's power.

Honestly, this panty-wetting fretting from bikers is just hilarious. If you're that risk averse, what on earth are you doing riding a motorcycle?
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Biking is 1/20th as dangerous as horse riding.
GONE: HN125-8, LF-250B, GPz 305, GPZ 500S, Burgman 400 // RIDING: F650GS (800 twin), Royal Enfield Bullet Electra 500 AVL, Ninja 250R because racebike

[joshdudeha]

So, where can I get a pair of these washers made? I can't find any on the internet with 1mm thickness
____________________
Piaggio Zip 50 -> Yamaha YBR 125 -> Kawasaki GPZ500S '96 -> Suzuki GSF600N Bandit -> Honda CBR 600FW
Theory Test: 13/07/2011 Passed! | Mod 1: 27/07/2011 Passed! | Mod 2: 17/11/2011 Passed!!!!!

[Quornholio]