Search found 141 matches

by gadgetman
Fri Jan 18, 2013 1:09 pm
Forum: Vespa Tech
Topic: Disc Conversion Hub binding when tightened. HELP!
Replies: 16
Views: 3340

Re: Disc Conversion Hub binding when tightened. HELP!

Can't remember any binding issues when I did mine a couple of years ago which is exactly the same spec as yours ( SIP PK forks, 20mm spindle & ScootRs disc hub ). So I would suspect that something has not been fitted correctly One thing that I did do was to fit 2 bearings instead of one to provi...
by gadgetman
Fri Jan 18, 2013 12:43 pm
Forum: Vespa Tech
Topic: t5 malossi 172 advice
Replies: 27
Views: 10189

Re: t5 malossi 172 advice

You can get the DVD from Scooter Products tel 01934 417834 or on-line www.scooerproducts.com It's come down in price to £21.50 inc postage. PAGE 7 in this months ( Feb 2013 )Scootering mag. As I said earlier you will find the job much much easier after watching this and everything is done in real t...
by gadgetman
Tue Jan 15, 2013 9:19 am
Forum: Vespa Tech
Topic: t5 malossi 172 advice
Replies: 27
Views: 10189

Re: t5 malossi 172 advice

The best thing you can do is buy the Vespa engine rebuild DVD for about £25. Believe me it will be the best £25 you will ever spend
by gadgetman
Sat Dec 29, 2012 6:35 pm
Forum: Vespa Tech
Topic: Long stroke conversion
Replies: 6
Views: 2899

Re: Long stroke conversion

At the momen its a Quattrini 172 MIXL direct reed induction mid twenties bhp/ high teens lbs/ft torque and I am wanting to squeeze a bit more out of it without turning it into a racer with no bottom end, so if I am going to rebuild it with a new longstroke crank I want to get the longest stroke with...
by gadgetman
Tue Dec 18, 2012 11:01 am
Forum: Vespa Tech
Topic: Long stroke conversion
Replies: 6
Views: 2899

Re: Long stroke conversion

Is a 62 mm possible with a bit of machining I know its quite common on a Lambretta casing but can it be done to a Vespa casing?
by gadgetman
Sat Dec 08, 2012 3:26 pm
Forum: Vespa Tech
Topic: Long stroke conversion
Replies: 6
Views: 2899

Re: Long stroke conversion

I suppose this is like asking where does the univese end, nobody knows !
by gadgetman
Sat Dec 01, 2012 8:17 pm
Forum: Vespa Tech
Topic: Long stroke conversion
Replies: 6
Views: 2899

Long stroke conversion

what is the longest stroke crank that will fit a PX125 without any machining ?
by gadgetman
Thu Nov 15, 2012 5:35 pm
Forum: Vespa Tech
Topic: Quatrinni MIXL
Replies: 16
Views: 6254

Quattrini

I would go for the M1XL as it gives a much better spread of power and more of it making it a better road bike. The crank case induction M1X is easier to build but unless highly modified doesnt deliver much more performance than a Malossi 172 and as we all know the more you modify for performance the...
by gadgetman
Wed Nov 14, 2012 11:58 am
Forum: Vespa Tech
Topic: Quatrinni MIXL
Replies: 16
Views: 6254

Re: Quatrinni MIXL

M1XL and the M1x are quite different as carb and manifold positioning on each is completely different as are the port timings. On the M1X like Tony's the manifold fits to standard crankcase inlet with the carb facing forward and positioned over the barrel. The M1XL is the opposite with the inlet man...
by gadgetman
Thu Nov 01, 2012 10:38 am
Forum: Lambretta Dyno Graphs
Topic: race rapido 225
Replies: 16
Views: 17254

Re: race rapido 225

Bracket racing is the best way of killing the sport !