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by paulj
Fri Sep 09, 2011 10:05 pm
Forum: Lambretta Tech
Topic: Boyesen reeds
Replies: 16
Views: 5014

Re: Boyesen reeds

I haven't compared engines that I've run with the boysen reeds. But I have found the v-force a good deal better than standard reed blocks. When I was deciding on what reeds to use I did a bit of study on the net, and all the tests I found comparing boysen and v-force had the v-force better by a smal...
by paulj
Mon May 16, 2011 8:27 am
Forum: Lambretta Tech
Topic: Bloody noisy rb20
Replies: 9
Views: 3382

Re: Bloody noisy rb20

My Fat Mamba is noisy as hell. I think the size of it just makes for big noise as my PM25 I have on my rapido engine is half as loud is that what you had at the drags the other day? it didnt seem too noisy. my rb seems louder than ryans high strung race scoot. i was believing the claim that the PM ...
by paulj
Sun May 15, 2011 10:31 am
Forum: Lambretta Tech
Topic: Bloody noisy rb20
Replies: 9
Views: 3382

Bloody noisy rb20

I've just finished my bog standard setup of a rb20 with the pipe I bought with the included pipe from af, the low revving pipe. But the pipe is very loud. In fact it's louder than my race bike. Is this normal? I'm thinking of getting a pm fat mamba, how do these compare with the af supplied pipe? Ch...
by paulj
Wed Apr 27, 2011 1:30 am
Forum: Lambretta Tech
Topic: whats the best clutch for an RB250+
Replies: 8
Views: 2711

Re: whats the best clutch for an RB250+

i have a AF clutch in my 20hp rb 20 road bike. I also have a LTH clutch for my drag bike- but I havent used this yet. I know my scoot isnt as powerful as a rb25, but the finish of the AF clutch is extremely nice compared to the lth, and its very light. the AF looks like a jap bike clutch. the AF has...
by paulj
Sat Apr 03, 2010 7:24 am
Forum: Lambretta Tech
Topic: TS1 reedvalve choices
Replies: 8
Views: 2753

Re: TS1 reedvalve choices

http://www.duncanracing.com/mm5/merchant.mvc?Screen=PROD&Product_Code=PRV-350 You have to by them as a pair. And cut the built in spacers off :ninja: i run these on my smallframe racer. my friend got better power right through the rev range from his ts1 race bike moving from a pyramid and chang...
by paulj
Sat Mar 06, 2010 9:11 pm
Forum: Lambretta Tech
Topic: 66mm piston 18mm smallend
Replies: 0
Views: 851

66mm piston 18mm smallend

who makes or sells an rb20 piston that uses a 18mm pin?

cheers paul
by paulj
Wed Dec 16, 2009 9:22 am
Forum: Vespa Dyno Graphs
Topic: VESPA DYNO GRAPH POSTING AREA
Replies: 28
Views: 96591

Re: VESPA DYNO GRAPH POSTING AREA

my fabrizi 152, crankcase reed, lengthened kx125 pipe.

i have a varitronic igntion, and it sparks twice every rev, so you need to double the revs to get the right figure (it doesnt have 24hp at 5k!)
Image

paul
by paulj
Thu Nov 26, 2009 6:32 am
Forum: Lambretta Tech
Topic: trying to find a 64mm stroke crank
Replies: 7
Views: 2522

Re: trying to find a 64mm stroke crank

i just got an email from MB, and they have some 64mm stroke cranks, but they are only selling them with their own tuned engines, i guess they have made up a limited number of them. who else can make these up? i guess my only option is the eccentric pin. does the fow hat guys make these up? has anyon...
by paulj
Tue Nov 24, 2009 7:19 pm
Forum: Lambretta Tech
Topic: trying to find a 64mm stroke crank
Replies: 7
Views: 2522

Re: trying to find a 64mm stroke crank

thanks, ill contact mb. i got a quote from worb- over a 1000 euros!

paul
by paulj
Tue Nov 24, 2009 9:42 am
Forum: Lambretta Tech
Topic: trying to find a 64mm stroke crank
Replies: 7
Views: 2522

trying to find a 64mm stroke crank

anyone know who has any in stock, or can make them up?

cheers paul

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