Search found 318 matches

by RinB
Wed Jan 14, 2009 10:31 pm
Forum: Lambretta Tech
Topic: RB 250 Exhaust
Replies: 23
Views: 4802

Re: RB 250 Exhaust

Well Im doing one and Im putting a Franspeed race on it.
Spoke to andy and sorted with him so we'll see how it goes :D
by RinB
Mon Jan 12, 2009 7:29 pm
Forum: Lambretta Tech
Topic: Thrust Faces
Replies: 41
Views: 5039

Re: Thrust Faces

have seen pistons that have been cut as a reverse V instead of having windows Whichever way you decide to go.....if you choose the "V" cut, you should have a small drilled hole at the apex of the two cuts....otherwise a split will definately occur....this is where "newschool" joins "oldschool"....H...
by RinB
Mon Jan 12, 2009 12:13 am
Forum: Lambretta Tech
Topic: rapido 250
Replies: 10
Views: 2069

Re: rapido 250

Nice :D
by RinB
Sun Jan 11, 2009 11:46 pm
Forum: Lambretta Tech
Topic: Thrust Faces
Replies: 41
Views: 5039

Re: Thrust Faces

Sean I think he is saying not to put windows in piston but from bottom of inlet skirt cut up to the rings basically the width of the inlet port and up until the skirt is open into the port @ BDC But the thing is how far up to the rings do u go. David I would cut a reverse U not V and I would maybe c...
by RinB
Sun Jan 11, 2009 11:19 pm
Forum: Lambretta Tech
Topic: Thrust Faces
Replies: 41
Views: 5039

Re: Thrust Faces

as far as i understand it.................on power stroke ,the ex side of piston is "major "thrust surface.............this is in effect pressed down (above gudgeon pin)..........and so inlet skirt side is pressed up (below gudgeon pin)...............this has the effect of scraping the oil off the ...
by RinB
Sun Jan 11, 2009 10:42 pm
Forum: Lambretta Tech
Topic: RB20 (200cc) - Pictures and Spec
Replies: 79
Views: 25793

Re: RB20 (200cc) - Pictures and Spec

:lol: :lol: :lol:

I find putting my hand over it, it helps.. :lol:
by RinB
Sun Jan 11, 2009 10:40 pm
Forum: Show us yer Scoots!!
Topic: Reflections in Blue the Paintwork (RinB)
Replies: 12
Views: 2255

Re: Reflections in Blue the Paintwork (RinB)

Scootermonkey wrote:Whats all this about a scooter. I cant see one, too busy watching your avitar! :lol:
:lol: :lol: :lol:

I find I have too put my hand over it that helps :lol: :D
by RinB
Sun Jan 11, 2009 10:39 pm
Forum: Show us yer Scoots!!
Topic: Reflections in Blue the Paintwork (RinB)
Replies: 12
Views: 2255

Re: Reflections in Blue the Paintwork (RinB)

ralph95 wrote:
RinB wrote: Thanks

Smiffy
not bad for an old shed :lol: :lol:
Cheers there Ralph :D

Its a bit better then the original one when I was down in Weston hey m8 :)
by RinB
Sun Jan 11, 2009 10:33 pm
Forum: Lambretta Tech
Topic: Thrust Faces
Replies: 41
Views: 5039

Re: Thrust Faces

sean brady scooters wrote:you may both like to read up on" piston pin offset"................... ;)
interesting stuff.
yep thats also has an effect ;)

But well talk about that later a sean :lol:
I see another skicky for the tuning section :D
by RinB
Sun Jan 11, 2009 10:21 pm
Forum: Lambretta Tech
Topic: Thrust Faces
Replies: 41
Views: 5039

Re: Thrust Faces

David

give me some info m8 & ill do some calcs
also have u any pics of wear, I have seen this too?

need Bore, Stroke & Rod length.


Smiffy