Can anyone recommend a good two-stroke engine re-builder?

Gavit · L Plate Warrior Joined: 06 May 2010 Karma :

I have a 1975 MZ ES150/1 that is in need of a high quality total engine rebuild. Do any of you know a professional, reliable engine re-builder?

Thanks in advance.
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MZ ES150/1, KX250, Montesa 4RT

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

Carvel · World Chat Champion Joined: 01 Jun 2010 Karma :

What about PJME?

Had a rebore done with them and the service was good.

No idea what they're like with rebuilds though.
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2002 Aprilia RSV1000R, Cbr600Fs, Mk1 B12, Vfr400 NC30...

Matt B: I can deal with crushed nuts to beat Ollie.

I-Bunder · Two Stroke Sniffer Joined: 28 Jun 2010 Karma :

do it yourself or at least try the engine should be fairly basic

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

stevo as b4 · World Chat Champion Joined: 17 Jul 2003 Karma :

Im having my KMX engine tuning work done by either BDK racing or JK tuning. Both companies are quite approachable and friendly unlike many of the famous name 2stroke tuning firms.

I agree with Marjay that it can sometimes be best to find a tuner that has a decent interest in or experience of the make of bike that that you want re-built. I happen to know that years ago James at BDK had a very tuned KMX200, and he knows exactly what is needed to get one to go really well.

Vincent · Banned Joined: 16 Oct 2006 Karma :

If I were you, I would seek advice on the MZ two stroke forum, (there must be one). There are a surprising number of MZ enthusiasts out there. Some of whom get much satisfaction out of lapping the Jap strokers on track day. Sad

the motor is fairly basic and a newbie can get to grips with them esily enough. Some unusual tools might be required if I remember right.

I would also look to now unified Germany for tuners.

Interesting fact: out of the 250 two stroke mass produced air cooled bikes of the late seventies, such great bikes as the RD250, KH250, GT250, the MZ250 was the quickest off the lights.

Not what you might call a desirable looking motorcycle but it can be a head-banger with the rest of them Cool

I just remember my mate getting pissers in the rain off his Laughing

kentpunkster · Two Stroke Sniffer Joined: 24 Jan 2011 Karma :

Get on Bemsee site and ask some of the guys racing them.. Burwins is the best but won't be cheap...