MZ Racing

garth · World Chat Champion Joined: 15 Dec 2004 Karma :

Looks like a relatively cheap giggle, anyone care to elaborate for me?
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Whosthedaddy · Super Spammer Joined: 11 Dec 2005 Karma :

Gazdaman had a MZ ETZ 251 that he raced and was for sale a while back.

https://www.bikechatforums.com/viewtopic.php?t=133915

The build

Looks fun. Thumbs Up

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MarJay · But it's British! Joined: 15 Sep 2003 Karma :

Gazdaman · I did a trackday!!! Joined: 12 Aug 2004 Karma :

I never raced it, just did a couple of trackdays.

Have a look on www.gaz-racing.co.uk
You'll find loads of info.

But yeah, go and watch the racing, the guys at the front are VERY VERY quick. You can do a 'renta' scheme. Where you pay £450 and take part in a weekend on a rented bike.

Good way to get a real taster of it.

It's cheap racing, but it's certainly not dirt cheap.
I sold my bike last week for £460.

You can pick up a full racing set up, with spare wheels, engine etc for around a grand.

Gaz

garth · World Chat Champion Joined: 15 Dec 2004 Karma :

Christ, didn't know it was taken that seriously.

Read about the 'taster' weekend. Could be interested in doing that, may give me a good insight.~

What sort of power / speeds are we talking about? 25/30bhp?
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G · The Voice of Reason Joined: 02 Feb 2002 Karma :

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

Fast enough for most people I'd imagine. MZ were WINNING motorcycle Grand Prix races and TT championship races in the late 1950's and early 1960's using aircooled 2-stroke singles.

MZ rarely used custom made race engines, they used to pull engines off the production line then fiddle with them. So, you can consider a standard MZ 2-stroke engine as a baseline, untuned version of the 1950's and 60's race engines.

Fiddle with it enough and you get something fast enough to put Mike Hailwood on and win the IOM TT.
https://www.motosclassicas70.com.br/mike_MZ_250_63.jpg
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G · The Voice of Reason Joined: 02 Feb 2002 Karma :

stinkwheel · Bovine Proctologist Joined: 12 Jul 2004 Karma :

Gazdaman · I did a trackday!!! Joined: 12 Aug 2004 Karma :

Not true, brakes are open. Most use Aprilia RS 125 calipers, with braided hoses and an uprated master cylinder.

Personally I used a standard MZ caliper, with HH pads, braided hose and an NC30 master cylinder. It made loads of difference, and was plenty good enough to lock the front wheel in a straight line.

Tuned up they make about 33bhp, standard about 18-20.

I must say, to get competitive it's expensive. I'd say bar tyres, Minitwins is probably cheaper to be competitive, and YPMs certainly are.

Gaz

twpd · Two Stroke Sniffer Joined: 19 Mar 2006 Karma :

I've raced both Minitwins and MZ's (for Burwins). Making a good competitive MZ is not cheap and you can't just buy the bits either because they are basically hand-built. A good engine build and tune can cost close to a grand. Also, you need quite a lot of mechanical know-how to keep on top of them.

Minitwins are much easier from the POV of building and maintaining. You can buy a competitive minitwin for about £3k and get through the season without doing much to it other than feed it tyres. Tyre consumption will be higher and more expensive than the MZ, but that's about it.

MZ racing is not quite a cheap as you might think if you want to run at the front.
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