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Bike needs new rings

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Adrianbrooksbank
Regular Poster
Posts: 36
Joined: 23rd Oct 2015

Re: Bike needs new rings

#16 PostAuthor: Adrianbrooksbank » Sun Mar 22, 2020 8:50 pm

Gpz1100B1&2 have small gudgeon or wrist pins same as Z1100 whereas the ones for a GPZ1100 unititrac are 17mm wrist pins,check this before buying Pistons etc. Happened to me with my gpz1100b2 which is a uk bike,hope this helps AdrianBrooksbank

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chrisNI
Site Admin
Posts: 3708
Joined: 22nd Dec 2001
Location: NI

Re: Bike needs new rings

#17 PostAuthor: chrisNI » Sun Mar 22, 2020 9:14 pm

ADRIAN H wrote:
Al wrote:Just had a look at IMD site and searched for; GPz 1100 and for ZX11 and Unitrak and 1135 and 1170 and zero results for any of these!

https://imdpistons.com/collections/perf ... iston-kits

AL


You may have to phone them up.



He’s registered on here you could try pming him he hasn’t been on in a while but he should get a notification.. his email is there too.

memberlist.php?mode=viewprofile&u=12276

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zed1015
Hardcore
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Posts: 3813
Joined: 2nd Nov 2005
Location: Somewhere between Scunny and Goole.

Re: Bike needs new rings

#18 PostAuthor: zed1015 » Sun Mar 22, 2020 10:57 pm

Adrianbrooksbank wrote:Gpz1100B1&2 have small gudgeon or wrist pins same as Z1100 whereas the ones for a GPZ1100 unititrac are 17mm wrist pins,check this before buying Pistons etc. Happened to me with my gpz1100b2 which is a uk bike,hope this helps AdrianBrooksbank

The Unitrack/Z1100R engines have an 18mm gudgeon pin.
All the earlier GPZ and 'J' engines are 17mm.


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