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by shand
Sat Oct 30, 2010 1:06 pm
Forum: Lambretta Tech
Topic: Gearbox Shims
Replies: 17
Views: 4810

Re: Gearbox Shims

Fitted the old bearing (which didn't sound or feel any different to the new one) pulled the shaft in, 2mm shim , 6 thou clearance. Looking at the bearings side by side there was nothing that really stood out as different. Once again thanks for your replies
by shand
Fri Oct 29, 2010 10:25 pm
Forum: Lambretta Tech
Topic: Gearbox Shims
Replies: 17
Views: 4810

Re: Gearbox Shims

The bearing does appear to protrude into the casing, the gears sit below the shaft, the oilseal hasn't snagged, I've now done this 5 times with the same result, bearing out tomorrow I think. If there are rogue bearings about you could guarantee that I'd get one
by shand
Fri Oct 29, 2010 9:22 pm
Forum: Lambretta Tech
Topic: Gearbox Shims
Replies: 17
Views: 4810

Re: Gearbox Shims

Yes it is a casa bearing and it wasn't the o ring that was the problem :cry:
by shand
Fri Oct 29, 2010 8:09 pm
Forum: Lambretta Tech
Topic: Gearbox Shims
Replies: 17
Views: 4810

Re: Gearbox Shims

Hopefully I've found the problem. I removed the layshaft and found a very thin complete o ring at the end of the shaft where the grooves start whether its been shaved of the new one or remains from the old one I don't know, either way I missed it twice going to have to start wearing my glasses. I'll...
by shand
Fri Oct 29, 2010 6:02 pm
Forum: Lambretta Tech
Topic: Gearbox Shims
Replies: 17
Views: 4810

Re: Gearbox Shims

Thanks for the replies, I fitted the shaft using a distance piece and the shaft appears to be hard up against the bearing, MB sell shims from 1.8 mm upwards and beedspeed sell half thickness shims, I've tried to measure the gap and it seems to be round about 1mm maybe smaller. I was just wondering i...
by shand
Fri Oct 29, 2010 5:21 pm
Forum: Lambretta Tech
Topic: Gearbox Shims
Replies: 17
Views: 4810

Gearbox Shims

Having replaced a damaged spanish casing with an indian one I'm struggling to shim the gearbox, with a standard 2mm shim the gearbox locks up when the endplate is tightened down. The layshaft is fully home, the loose gears are fitted correctly. If I leave the shim out it stays free. Is it common to ...
by shand
Thu Sep 30, 2010 9:26 pm
Forum: Lambretta Tech
Topic: Drive side bearing
Replies: 1
Views: 1179

Drive side bearing

Hi Just fitted the drive side bearing, it went in very easy, too easy, there is an up and down movement, you can't push it out but it does move. There is no obvious damage to the casing. I tried the old bearing and that is the same, is the casing knackered or is there a solution to this. Its off a j...
by shand
Fri Feb 12, 2010 10:33 pm
Forum: Standard Scoots & Restorations
Topic: Casa lambretta 80cc Kit
Replies: 5
Views: 2339

Re: Casa lambretta 80cc Kit

Thanks for your reply Markus. The kit arrived and looks to be an exact replica of the vega barrel, I've just got to remember where the rest of the bits are then I can put it together
by shand
Thu Feb 04, 2010 8:09 pm
Forum: Standard Scoots & Restorations
Topic: Casa lambretta 80cc Kit
Replies: 5
Views: 2339

Re: Casa lambretta 80cc Kit

Well that's it ordered, if it don't fit it'll be in the for sale section next week
by shand
Tue Feb 02, 2010 10:26 pm
Forum: Standard Scoots & Restorations
Topic: Casa lambretta 80cc Kit
Replies: 5
Views: 2339

Casa lambretta 80cc Kit

Hi
Can any body tell me if this kit will fit on a 75cc casing, I know it was intended as an upgrade for the 50cc lui they are both 44mm stroke (I think) are the stud spacings the same. I did ask the people who sell them but they wern't sure :?
Thanks in advance

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