Search found 60 matches

by Hotdog
Sat May 23, 2020 3:46 pm
Forum: Vespa Tech
Topic: 12ps Barrel
Replies: 5
Views: 459

12ps Barrel

Hi, looking at these PX200 barrels advertised as 12ps (mostly from German shops), are they really 2.5-3hp over a standard barrel ! Has anyone used one and had it dynoed ?
by Hotdog
Fri May 15, 2020 7:55 pm
Forum: Vespa Tech
Topic: Si modification
Replies: 2
Views: 448

Si modification

If you were to change the float chamber cover for a fast flow fuel type (Pinasco, DRT & Cosa) With the 5.2 float needle and drill the carb fuel channel, would the jetting need altering as I’m sure I read somewhere it may run rich ! With my limited knowledge I can’t see how this can happen, so any th...
by Hotdog
Sat May 09, 2020 6:34 pm
Forum: Vespa Tech
Topic: Piston
Replies: 13
Views: 1260

Re: Piston

Glad you said that as I took the plunge and ordered one earlier today.
by Hotdog
Sat May 09, 2020 6:48 am
Forum: Vespa Tech
Topic: Piston
Replies: 13
Views: 1260

Re: Piston

No not had the chance to speak to Harry yet.
Gaz would the barrel have to be ported to match the piston ?
by Hotdog
Fri May 08, 2020 3:29 pm
Forum: Vespa Tech
Topic: Piston
Replies: 13
Views: 1260

Re: Piston

That’s what I was thinking of using, had a brief conversation with a lady from Chiselspeed about it, but didn’t know anything them but they mentioned the grand sport pistons. That’s why I was trying to find out what sort of quality they are.
by Hotdog
Wed May 06, 2020 10:54 am
Forum: Vespa Tech
Topic: Piston
Replies: 13
Views: 1260

Re: Piston

Ok thanks, I’m going to have a look at the grand sport pistons as I’ve heard only good things said about them.
by Hotdog
Sun May 03, 2020 10:40 am
Forum: Vespa Tech
Topic: Piston
Replies: 13
Views: 1260

Piston

What brand are Pro Porting Vespa pistons ? Thanks
by Hotdog
Sun Apr 19, 2020 8:45 pm
Forum: Vespa Tech
Topic: Polini 207 piston
Replies: 0
Views: 782

Polini 207 piston

A friend has a Harry Barlow 207 Polini piston and was wondering if this is the same as a standard px piston ? And will it fit a standard barrel & head? Obviously it will need to be rebored.
by Hotdog
Fri Jun 14, 2019 6:07 pm
Forum: Lambretta Tech
Topic: Bent LONG tag bottom clutch steels?
Replies: 2
Views: 633

Re: Bent LONG tag bottom clutch steels?

Try LTH Lambretta. Search clutch long nose or clutch long catch.
by Hotdog
Sun Jun 09, 2019 7:22 pm
Forum: General Scooter Chat
Topic: Tyre Choices
Replies: 44
Views: 7087

Re: Tyre Choices

Heidenau K47 are a good all round tyre & they do them in a high speed rating.