Search found 13 matches
- Fri Sep 09, 2011 10:05 pm
- Forum: Lambretta Tech
- Topic: Boyesen reeds
- Replies: 16
- Views: 5532
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...
- Mon May 16, 2011 8:27 am
- Forum: Lambretta Tech
- Topic: Bloody noisy rb20
- Replies: 9
- Views: 3746
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 ...
- Sun May 15, 2011 10:31 am
- Forum: Lambretta Tech
- Topic: Bloody noisy rb20
- Replies: 9
- Views: 3746
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...
- Wed Apr 27, 2011 1:30 am
- Forum: Lambretta Tech
- Topic: whats the best clutch for an RB250+
- Replies: 8
- Views: 2983
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...
- Sat Apr 03, 2010 7:24 am
- Forum: Lambretta Tech
- Topic: TS1 reedvalve choices
- Replies: 8
- Views: 3289
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...
- Sat Mar 06, 2010 9:11 pm
- Forum: Lambretta Tech
- Topic: 66mm piston 18mm smallend
- Replies: 0
- Views: 993
66mm piston 18mm smallend
who makes or sells an rb20 piston that uses a 18mm pin?
cheers paul
cheers paul
- Wed Dec 16, 2009 9:22 am
- Forum: Vespa Dyno Graphs
- Topic: VESPA DYNO GRAPH POSTING AREA
- Replies: 28
- Views: 142107
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!)

paul
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!)

paul
- Thu Nov 26, 2009 6:32 am
- Forum: Lambretta Tech
- Topic: trying to find a 64mm stroke crank
- Replies: 7
- Views: 2992
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...
- Tue Nov 24, 2009 7:19 pm
- Forum: Lambretta Tech
- Topic: trying to find a 64mm stroke crank
- Replies: 7
- Views: 2992
Re: trying to find a 64mm stroke crank
thanks, ill contact mb. i got a quote from worb- over a 1000 euros!
paul
paul
- Tue Nov 24, 2009 9:42 am
- Forum: Lambretta Tech
- Topic: trying to find a 64mm stroke crank
- Replies: 7
- Views: 2992
trying to find a 64mm stroke crank
anyone know who has any in stock, or can make them up?
cheers paul
cheers paul