Long Conrods

Anything related to Vespas... ask tech questions, post helpful info, or just read and learn.
grimspeed
registered user
Posts: 192
Joined: Sun Dec 13, 2009 12:46 pm
Main scooter: gp 283 kx
Location: clitheroe lancs.
Contact:

Now then im looking at 199cc here and timings of 130 on the transfers and 190 on the exhaust !
So the next question is and im looking for Sean or Oz to answer realy . What carb ? Im thinking 30mm Mikuni tmx ?
What gearing and exhaust ?
I like the look of this .
http://www.lambretta-teile.de/Exhaust-L ... 2-Vespa-T5
i have a horrible feeling.things are going to go bang
OzOAP
registered user
Posts: 306
Joined: Sat Aug 01, 2009 2:11 pm
Main scooter: Vespa PTS1E
Contact:

Im running a 30TMX with CamLam powerjet, (the std Mikuni one didn't work), Its a lot better than the 32 flat slide Delly.
Exhaust and gearing go hand in hand. On one off engines I get PM to make me a pipe to suit.
Gearing on PTS1 is T5 box with 37t 4th and currently 21/68 primary, but now bottom end is so much better with TMX and swirlpot its getting a 22t clutch in time for this seasons thrashing.
grimspeed
registered user
Posts: 192
Joined: Sun Dec 13, 2009 12:46 pm
Main scooter: gp 283 kx
Location: clitheroe lancs.
Contact:

OzOAP wrote:Im running a 30TMX with CamLam powerjet, (the std Mikuni one didn't work), Its a lot better than the 32 flat slide Delly.
Exhaust and gearing go hand in hand. On one off engines I get PM to make me a pipe to suit.
Gearing on PTS1 is T5 box with 37t 4th and currently 21/68 primary, but now bottom end is so much better with TMX and swirlpot its getting a 22t clutch in time for this seasons thrashing.
So am I better off getting a tm and fitting the camlam power jet ?
i have a horrible feeling.things are going to go bang
grimspeed
registered user
Posts: 192
Joined: Sun Dec 13, 2009 12:46 pm
Main scooter: gp 283 kx
Location: clitheroe lancs.
Contact:

On a roll .
Martin Cook at Chiselspeed is going to get me a 20mm/22mm pin sorted for my 60mm bell crank !
So I think I will go for a 115mm mito lambretta conrod !
http://www.mitolambretta.com/product_in ... cts_id=274
i have a horrible feeling.things are going to go bang
grimspeed
registered user
Posts: 192
Joined: Sun Dec 13, 2009 12:46 pm
Main scooter: gp 283 kx
Location: clitheroe lancs.
Contact:

Well that's the Mito blade conrod purchased !
NEXT STOP Martin Cook and Chiselspeed for a crank strip and rebuild
and maybe a bit of welding in the pin area !
i have a horrible feeling.things are going to go bang
grimspeed
registered user
Posts: 192
Joined: Sun Dec 13, 2009 12:46 pm
Main scooter: gp 283 kx
Location: clitheroe lancs.
Contact:

Next question would be about exhausts . I think the caractoristics of the motor may be more like a MHR Malossi than a T5 now ?
So I need exhaust options for a 200cc 60mm crank and 130 tran and 190 ex . Im looking at any large frame pipe that works in these areas.
I don't mind having to do a bit of cutting and welding to change the stubs to fit ! So what have we from around the world ?
Im guessing Germany is the main place to look ? And possibly Scooter and Service or Pipe Designe ?
https://www.scooter-and-service.de/larg ... e-curley-s ?
or
http://www.microsofttranslator.com/bv.a ... r-220.html?
Last edited by grimspeed on Sun Mar 22, 2015 10:06 am, edited 2 times in total.
i have a horrible feeling.things are going to go bang
grimspeed
registered user
Posts: 192
Joined: Sun Dec 13, 2009 12:46 pm
Main scooter: gp 283 kx
Location: clitheroe lancs.
Contact:

I bought a Malossi reedblock to go on this but I think I may need to get something bigger to run a 35mm airstriker ?
i have a horrible feeling.things are going to go bang
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