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by holty
Fri Jul 17, 2020 3:13 pm
Forum: Lambretta Tech
Topic: lambretta rt 195 jetting
Replies: 11
Views: 8919

Re: lambretta rt 195 jetting

thanks for the input folks, fitted the x7 needle and a 128 main and its got some colour on the plug, i have told him that a dyno set up is his best bet, i did forget to say in original post that it had windows in the piston and the skirt has a crescent cut in it , and a boost port as well.
by holty
Mon Jul 13, 2020 8:16 am
Forum: Lambretta Tech
Topic: lambretta rt 195 jetting
Replies: 11
Views: 8919

Re: lambretta rt 195 jetting

many thanks
by holty
Sun Jul 12, 2020 8:50 pm
Forum: Lambretta Tech
Topic: lambretta rt 195 jetting
Replies: 11
Views: 8919

lambretta rt 195 jetting

hi ive got an rt 195 that ive fitted a piston to for a friend of mine after he holed the piston, i have a feeling it was partly to do with the ignition timing which i have adjusted, i had to enlongate the slots to get 17 degrees, it was about 21 without slotting the holes, i also had to remove a lam...
by holty
Fri Jun 19, 2020 11:10 am
Forum: General Scooter Chat
Topic: Wasted Tuning?
Replies: 32
Views: 18524

Re: Wasted Tuning?

https://flic.kr/p/WqMVME
is this overtuned then, i matched the size of the cylinder transfers to the ports on the cylinder, its a rotax cylinder from a snowmobile
by holty
Sun May 17, 2020 1:23 pm
Forum: Scooterotica Tuning & Maintenance Information
Topic: TS1 gearing
Replies: 8
Views: 7348

Re: TS1 gearing

at a rough guess your front sprocket is too big, go down 1 tooth and road test it, should then pull in 4th gear
by holty
Sun Apr 19, 2020 12:31 pm
Forum: Lambretta Tech
Topic: RB20 fit
Replies: 13
Views: 8625

Re: RB20 fit

I built an rb20 for a friend of mine and had exactly the same problem with those studs, he was advised by the person he got them from to drill the holes out in the brand new barrel, I advised him that I wasn't doing that and got some thinner studs, its also a well known problem for the 4 point seize...
by holty
Fri Apr 17, 2020 6:19 pm
Forum: Lambretta Tech
Topic: lambretta frame what does it weigh ?
Replies: 2
Views: 1569

Re: lambretta frame what does it weigh ?

This is a real 'scientific' response :P Using some decades old Boots scales we found in a skip, a full frame weighs 39 lb. The cutdown that I have has narrowed legshield support struts, a 4" lowered headstock, all of the rear board support struts but it has been cut behind the seat in a vee, p...
by holty
Wed Apr 15, 2020 8:16 am
Forum: General Scooter Chat
Topic: lambretta frame courier recomendation
Replies: 2
Views: 1943

lambretta frame courier recomendation

hi ive bought a lambretta cutdown frame and im looking for a courier who will collect it, my local apc courier is wasting my time they said they would collect it, now they don't want to,
thanks in advance,
holty
by holty
Tue Apr 14, 2020 8:23 pm
Forum: Lambretta Tech
Topic: lambretta frame what does it weigh ?
Replies: 2
Views: 1569

lambretta frame what does it weigh ?

anyone got a rough idea how much a bare lambretta li series 3 frame weighs, its a cut down with no struts or panels, ex race frame, cheers
holty
by holty
Sun Apr 05, 2020 8:57 am
Forum: Lambretta Tech
Topic: not another ignition question!
Replies: 14
Views: 7786

Re: not another ignition question!

when I converted mine to dc I used my existing ac bgm stator and converted it to dc by removing the earth tag from the last lighting coil and added an extra wire to the end I disconnected which then joins to the wassel, I think I bought a bgm wassel as well and its never had a flat battery, I run an...

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