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stornello sport crankshaft

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stornello sport crankshaft

Postby Syrup Head » Mon Jun 05, 2017 4:53 pm

Hi i need a crankshaft in good condition for my stornello sport.
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Re: stornello sport crankshaft

Postby Don-Spada » Mon Jun 05, 2017 8:51 pm

You could try Pete Roper or it's ebay in Italy.

What's wrong with the old one? You can buy new con rods with the rollers etc as a replacement for a worn big end. Make sure you get the correct one as there are 2 sizes for the gudgeon pin.

There is a set of crank cases goung round on ebay here, but they look like 5 speed ones and there's no crank in it.

http://www.ebay.co.uk/itm/CLASSIC-ITALI ... Sw5cNYKDr-
1978 SP1000, 1965 Stornello, 1988 Harris Bonneville. 1988 California 3
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Re: stornello sport crankshaft

Postby Syrup Head » Fri Jun 09, 2017 1:21 pm

Hi Don
The nut retaining the flywheel came lose and damaged the thread on the crank.
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Re: stornello sport crankshaft

Postby Don-Spada » Fri Jun 09, 2017 1:26 pm

Not sure if it is a sport or turismo, butt his came up today . Watch the gudgeon pin size as rhere are 2 options

http://www.ebay.fr/itm/Moto-Guzzi-Storn ... Sw~y9ZEWKa
1978 SP1000, 1965 Stornello, 1988 Harris Bonneville. 1988 California 3
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Re: stornello sport crankshaft

Postby Don-Spada » Sun Aug 13, 2017 9:40 am

Hiya This came up on my ebay email today

http://www.ebay.co.uk/itm/162629036976?ul_noapp=true

Any good for you?

Don
1978 SP1000, 1965 Stornello, 1988 Harris Bonneville. 1988 California 3
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Re: stornello sport crankshaft

Postby Felixwankel » Mon Aug 21, 2017 8:23 am

Hi, sorry to jump in on the thread, just bought a 125 Stornello sport, the flywheel seems to have a fair bit of sideways play, I assume it's the crank bearings, any clues on where to get them ?, or a good s/h engine ?, yes I'm sure that's a tall order, thanks Andrew
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Re: stornello sport crankshaft

Postby Don-Spada » Mon Aug 21, 2017 7:38 pm

From memory, the left side main is a narrow ball bearing and the right is a roller. If the large gear is all tight on the left side then there shouldn't be hardly any end float on the crank.
The bearings are available from any good bearing shop, but they are a bit more than many as they are only about 10mm thickness.
There are a pair of crank cases going round on ebay, they are from the later 5 speed model. Not sure which type yours is. It probably wouldn't help you.
http://www.ebay.co.uk/itm/CLASSIC-ITALI ... Sw5cNYKDr-
1978 SP1000, 1965 Stornello, 1988 Harris Bonneville. 1988 California 3
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Re: stornello sport crankshaft

Postby Felixwankel » Tue Aug 22, 2017 11:02 am

Well thanks very much for that, I'll split the cases tonight to have a look. I've a broken piston ring, any clues on where I can get some ?, thanks again.
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Re: stornello sport crankshaft

Postby Don-Spada » Tue Aug 22, 2017 7:11 pm

The engine is not too bad to work on, I do have a few files that may help with re-assembly. You need to put the gearbox back together in a certain position.
As for new rings, It will probably have to be ebay.italy.
I have some spare, but I'm in the middle of moving house, so not quite sure where they are. Have a look as to what size you need (written on top of the piston)
1978 SP1000, 1965 Stornello, 1988 Harris Bonneville. 1988 California 3
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