Search found 277 matches
- Mon May 06, 2019 4:51 pm
- Forum: Vespa Tech
- Topic: Pwk ballpark jetting?
- Replies: 10
- Views: 6642
Re: Pwk ballpark jetting?
pwk copies are best left alone as they are shite, some work some dont, invest yr money on a proper keihin pwk, the 28mm ones come off yam rd's of which you need the right hand one try allens performance as they have loads of stuff for keihin carbs and the carbs themselves. keihin main jets are the s...
- Mon May 06, 2019 4:25 pm
- Forum: Vespa Tech
- Topic: POLINI 210 ALLOY
- Replies: 17
- Views: 11496
Re: POLINI 210 ALLOY
yes ive used one recently, i got the 58mm stroke version, i too had trouble with the squish, the lowest i could get it was 2.1mm which was without base or head gasket, 2.1mm squish would have been s**t, and the transfer timing was way to low at around 115 degrees, after an arguement with sip over wh...
- Fri Jun 06, 2014 4:59 pm
- Forum: Lambretta Tech
- Topic: PHBL 26mm jetting starting point
- Replies: 19
- Views: 9512
Re: PHBL 26mm jetting starting point
yeah the 26phbl does use D needles and the aq atomiser, d22, d26 and aq264 is a good start
- Fri May 09, 2014 7:10 pm
- Forum: Vespa Tech
- Topic: Dellorto PHBH Carburettor
- Replies: 30
- Views: 10943
Re: Dellorto PHBH Carburettor
if it gets richer and richer as you sit there idling then it could be the float valve letting by, wrong float height or crap not letting the valve seat propperly, and also spitback from the reeds collects and can richen things up
- Tue Mar 25, 2014 5:34 pm
- Forum: Vespa Tech
- Topic: crank for DR 130
- Replies: 1
- Views: 1475
Re: crank for DR 130
have a look at the bgm cranks at scooter centre koln
a small taper crank wouldnt be my first chioce as the tend to snap no matter the make, maybe safer with a 1kg flywheel
a small taper crank wouldnt be my first chioce as the tend to snap no matter the make, maybe safer with a 1kg flywheel
- Sat Nov 09, 2013 3:05 pm
- Forum: Vespa Tech
- Topic: smallframe primary gears
- Replies: 2
- Views: 1737
Re: smallframe primary gears
i wouldnt use the 90 primarys as they are far too short, the primmy/pk125 primarys will be fine, they are 24/61, another option is 27/69, a little shorter than 24/61
- Sun Oct 20, 2013 12:50 pm
- Forum: Vespa Tech
- Topic: smallframe setup
- Replies: 4
- Views: 2535
Re: smallframe setup
the parma kit needs a lot of work but its ok ish i had the exhaust timing up to 190 but it wasnt quite enough, its a basic design based on an old pinasco barrel, i now use a polini evo rotary with a 35mm keihin and franz pipe, and it will sit at 70 at around 8000rpm and rev out to 9500rpm with my he...
- Mon Sep 30, 2013 8:33 pm
- Forum: Lambretta Tech
- Topic: Another Holed imola Piston....AAaargh
- Replies: 23
- Views: 7715
Re: Another Holed imola Piston....AAaargh
pwk copies are hit and miss too
- Sat Sep 21, 2013 12:55 pm
- Forum: Lambretta Tech
- Topic: Lightened Flywheels
- Replies: 7
- Views: 2310
Re: Lightened Flywheels
its not just about weight either, the circumference also plays a part, so 2 kg closer to the center will spin up faster
- Thu Sep 19, 2013 9:08 pm
- Forum: Vespa Tech
- Topic: Can it run ok
- Replies: 7
- Views: 2862
Re: Can it run ok
you may have put weight on, i found my smallie get progressively slower cos of this