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Bit of intel

Technical help for Series one, two and three Lambrettas. Models include the Li, Li Special, TV, SX, GP, Serveta and API/SIL models

Bit of intel

Postby gaz_powell » Wed Oct 06, 2021 9:10 am

Not requiring help just a but of intel after the challenging C2C ride.

First time out on the SIP Performance (not performer) and was very pleased, coped well in all the bad conditions thrown at us, even some petroil mix from my leaking fuel pipe.
Set on genuine SIL split rims with Mypol tubes.

Also first time out with Scootopia gas adjustable shocker, again couped well and hadnt spent any real time setting it up
More comfortable than the previous GAZ on this type of ride.

Front had been changed to Escorts from Kawasaki steering dampers, again better.

Gaz
Last edited by gaz_powell on Wed Oct 06, 2021 12:43 pm, edited 1 time in total.
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Re: Bit if intel

Postby Rich Oswald » Wed Oct 06, 2021 10:40 am

gaz_powell wrote:Not requiring help just a but of intel after the challenging C2C ride.

First time out on the SIP Performance (not performer) and was very pleased, coped well in all the bad conditions thrown at us, even some petroil mix from my leaking fuel pipe.
Set on genuine SIL split rims with Mypol tubes.

Also first time out with Scootopia gas adjustable shocker, again couped well and hadnt spent any real time setting it up
More comfortable than the previous GAZ on this type of ride.

Front had been changed to Escorts from Kawasaki steering dampers, again better.

Gaz


I've just changed to a rear Protech from a GAZ with a noticeable difference. I've used Kawasaki Steering dampers in the past and found them truly awful, plus they hit the outboard caliper with the worst potholes etc!!!
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Re: Bit of intel

Postby Warkton Tornado No.1 » Thu Oct 07, 2021 12:13 pm

Just as an attempt to help in the diagnosis of the above information:

The 'Kawasaki' type steering dampers are never going to be suitable for purpose on the Lambretta front end whilst they remain balanced in both directions. Damping of the fork suspension is predominantly required for rebound, hence the OEM design.

The rear suspension unit OEM design is surprisingly competent, despite how long ago it was conceived. There are, IMO, modern day alternatives that offer improvements, dependent upon what is sought. The fact that preload of the springs can be adjusted is extremely useful for adjustment of the load. Adjustment of the damping is the icing on the cake, but, unfortunately, compression & rebound damping are not usually totally independent of each other. In fact, are there any such rear dampers in which that is achievable? I'm guessing that the units manufactured specifically for the Honda RS125 & some Yamahas, that can be made to fit, offer such a facility, but are there others?

Personally, I have Gaz & BGM's that I consider to be very capable. Probably, the BGM is more compliant which makes it a better all rounder, though the Gaz may be more robust for longer, harder riding. It would be interesting to know what was fitted to the better handling machines in the recent six hour endurance race.....
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Re: Bit of intel

Postby ULC Soulagent » Sat Oct 09, 2021 4:02 pm

I believe that Paul from Oiltek is working on an Ohlin rear shock unit with remote oil unit thus keeping damping and compression fade free. Obviously being an Ohlin it’s gonna be pricey but would be useful on track racing 8-)
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