Search found 57 matches

by vince
Fri Mar 27, 2015 8:03 pm
Forum: Lambretta Tech
Topic: How fast can a scooter really go? Dyno Data & Sprint Sim....
Replies: 44
Views: 18725

Re: How fast can a scooter really go? Dyno Data & Sprint Sim

I should of added that after the first fast run some adjustments were made and the second run was aborted as something was not right further tinkering resulted in a melted the piston on the third run . Wanting to still put in a back up run an over night trip to Essex to pick up another cylinder but ...
by vince
Thu Mar 26, 2015 11:23 pm
Forum: Lambretta Tech
Topic: How fast can a scooter really go? Dyno Data & Sprint Sim....
Replies: 44
Views: 18725

Re: How fast can a scooter really go? Dyno Data & Sprint Sim

Just came across this thread while looking for something on the tinternet . You cannot prove or disprove a timing card you can ask the organisers if they are happy the time is good . You can know what gearing you are pulling and what revs it was pulling and that tallys up with the result why should ...
by vince
Thu Jan 09, 2014 11:48 pm
Forum: Tech FAQ
Topic: Reed petal to housing clearance
Replies: 4
Views: 1936

Re: Reed petal to housing clearance

Building the block as it going straight in and fitting a V force reed assy.
by vince
Thu Jan 09, 2014 7:49 pm
Forum: Tech FAQ
Topic: Reed petal to housing clearance
Replies: 4
Views: 1936

Reed petal to housing clearance

Gents with knowledge :: I am in process of fitting a reed valve on a non reed engine and because of the reed I am using this involves building the reed housing from scratch. The question I have what clearance do I have to leave between the reed petals and the housing the reed fits into to give clear...
by vince
Mon Jan 28, 2013 9:57 pm
Forum: Standard Scoots & Restorations
Topic: Kegra KR125 Spanish Lambretta
Replies: 21
Views: 12618

Re: Kegra KR125 Spanish Lambretta

Image

Kegras KRD125 racer !
by vince
Sun Apr 29, 2012 2:51 pm
Forum: Carburettor Set-ups
Topic: Amal air jets
Replies: 0
Views: 1315

Amal air jets

I have been running an Amal carb on my sprinter and one of the things you can adjust is the air jet this jet fits in the front of the carb behind the bell mouth. it controls the depression of air around where the main jet and the and the air through the carb mix. Now I need some input from geeks , i...
by vince
Tue Jan 17, 2012 9:56 pm
Forum: Vespa Tech
Topic: Vespa indicator problems
Replies: 4
Views: 2792

Re: Vespa indicator problems

All the above is good indicator problem areas, there not much else...
by vince
Fri Jan 13, 2012 7:10 pm
Forum: Standard Scoots & Restorations
Topic: Kegra KR125 Spanish Lambretta
Replies: 21
Views: 12618

Re: Kegra KR125 Spanish Lambretta

i remember the ads in scootering at the time but never ever saw one, what sort of power were the making ? surely that bridge needed narowing a bit The inlet bridge carries the boost port so you cannot remove to much, as for power dont know what BHP but the engine was competitive with small frames o...
by vince
Fri Jan 13, 2012 6:01 pm
Forum: Standard Scoots & Restorations
Topic: Kegra KR125 Spanish Lambretta
Replies: 21
Views: 12618

Re: Kegra KR125 Spanish Lambretta

I think you are spot on with the 125/200 down grade for licence then back up to 200 once you had completed your test. This barrel is very short and im not sure it would work with a standard longer stroke crank . When this barrel was first proposed for standard class racing in the UK , we ( thats Keg...
by vince
Thu Nov 17, 2011 6:56 pm
Forum: Vespa Tech
Topic: t5 cruciform
Replies: 3
Views: 1898

Re: t5 cruciform

As long as you have fitted the flat type that t5s have you cannot fit it the wrong way round. i reckon you might not have picked up in the selector box, but as advised do the selector box they wear as well and cause cruciforms to go.