Carburettor Set-ups

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Posted in General Scooter Chat
Replies: 7
by drunkmunkey6969 » Mon Nov 20, 2017 10:48 am » in General Scooter Chat

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Mon Dec 09, 2019 11:39 am
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Last post by Scooterdude
Tue Aug 21, 2018 4:30 pm

Topics

What jet sizes for standard SIL GP200??

Last post by ericthered
Replies: 2
by ericthered » Sat May 10, 2014 12:06 pm

Hi all,

I’m running a standard SIL GP200 with standard Jetex 22mm carb/filter (but airbox drilled), AF Clubman exhaust, factory ‘stage 4 tuned’...

2 Replies

3927 Views

Last post by ericthered
Sun May 11, 2014 12:02 pm
WOT fuel starvation phbh28

Last post by tonydevon
Replies: 3
by tonydevon » Fri May 09, 2014 10:13 am

just wondering if WOT on the dyno or sat still in garage ha ha ha ha, would require less fuel than WOT on the road maybe up a slight hill.

this...

3 Replies

3035 Views

Last post by tonydevon
Fri May 09, 2014 11:40 am
Mikuni tmx

Last post by jamjo

by jamjo » Wed May 07, 2014 5:08 pm

Hello can anyone tell me if this carb would be ok to use on a ts1 . The t35 1 looks ok but not sure about the serial number w251 others seem to have...

0 Replies

2321 Views

Last post by jamjo
Wed May 07, 2014 5:08 pm
pwk

Last post by dapper
Replies: 2
by philtrate » Mon Apr 28, 2014 7:33 pm

Is there anywhere in the UK that sells keihin pwk needles for a 34mm carb, CGL is what I'm looking for or leaner the only ones I can find are from...

2 Replies

2071 Views

Last post by dapper
Tue Apr 29, 2014 9:59 am
Vhsh pilot thread

Last post by sydduckett

by sydduckett » Sun Apr 27, 2014 7:22 pm

I have a vhsh 30 dellorto and the thread of the bottom pilot jet needs some attention. does anyone know the thread size for the bottom pilot?...

0 Replies

1995 Views

Last post by sydduckett
Sun Apr 27, 2014 7:22 pm
Its air filter time!!

Last post by SpanishSX200
Replies: 1
by kevspeed » Sun Apr 27, 2014 5:39 pm

Hi all,ive always run open carbs on anything tuned,have done since the eighties,never had a problem,except for 5 miles out of Tenby in 2005,when one...

1 Replies

1842 Views

Last post by SpanishSX200
Sun Apr 27, 2014 6:34 pm
GP200 (SIL) poor performance after ¾ throttle PLEASE HELP

Last post by ericthered
Replies: 3
by ericthered » Mon Apr 21, 2014 12:52 pm

Hi all,
My names Eric and I’ve just come back to Lambrettas after a long break, I had about 15 during the late 70s and early 80s (mostly LI’s but a...

3 Replies

3446 Views

Last post by ericthered
Mon Apr 21, 2014 6:33 pm
Original sh 22 dellorto flooding issue

Last post by Doom Patrol
Replies: 4
by retrorich » Wed Apr 16, 2014 5:35 pm

Can anyone shed some light on this issue please.

Original delly sh 22 that floods. Not every time but often when fuel turned on next time the...

4 Replies

2911 Views

Last post by Doom Patrol
Wed Apr 16, 2014 8:15 pm
idle adjuster all the way in, but wont idle

Last post by ukpeckerwood
Replies: 1
by tonydevon » Wed Apr 09, 2014 12:08 pm

sorry to ask, especially as the engine isnt a scooter one, but I have a 28phbh carb on my engine and Im a little confused

it normally runs with an...

1 Replies

2066 Views

Last post by ukpeckerwood
Wed Apr 09, 2014 12:18 pm
dellorto phbh choke question

Last post by bazza3004

by bazza3004 » Sun Mar 23, 2014 8:11 pm

Hello, on my phbh I can see the choke plunger moving up & down via the small hole in the casting. Is the choke off once the little hole is closed by...

0 Replies

2129 Views

Last post by bazza3004
Sun Mar 23, 2014 8:11 pm
Choke Jet 50 or 60?

Last post by Lamaddict

by Lamaddict » Tue Mar 18, 2014 2:53 am

It's a 34 Dellorto for an RB250. The guide says, choke jet 50 but I couldn't get one but I have 60, is this a big deal, what difference will it make?

0 Replies

1973 Views

Last post by Lamaddict
Tue Mar 18, 2014 2:53 am
Avanti Jetting

Last post by dapper

by dapper » Mon Mar 10, 2014 3:24 pm

Avanti 225cc
JL3 exhaust
30mm OKO carb
Li150 gearbox
Anyone running same set up? Looking for jetting tips.

Also got a mate building an Avanti but is...

0 Replies

1899 Views

Last post by dapper
Mon Mar 10, 2014 3:24 pm
D 22 to D29 needle

Last post by paddyfitz
Replies: 1
by dave wheeler » Fri Mar 07, 2014 8:48 pm

have a TV 175 with a 24mm phbl, was running an AQ266 with a D22 needle but was always troubled by a just off tickover boggy patch, changed to a D29...

1 Replies

1812 Views

Last post by paddyfitz
Mon Mar 10, 2014 2:32 am
dont want to damage it

Last post by bazza3004
Replies: 5
by bazza3004 » Wed Feb 26, 2014 5:48 pm

hi, just about to build engine up with new imola kit and whilst I will be having it tweaked on a dyno I wondered if someone can give me a starting...

5 Replies

2471 Views

Last post by bazza3004
Thu Feb 27, 2014 9:36 pm
28mm dellorto jetting / starting point

Last post by jamjo
Replies: 6
by jamjo » Wed Feb 05, 2014 7:27 pm

Hello posting for a mate . He has a gp 200 stage four barrel jl3 exhaust and was going to fit his 28mm carb back on scooter , it was taken off when...

6 Replies

4377 Views

Last post by jamjo
Fri Feb 14, 2014 8:57 am
Jetting, changing to a Taffy pipe?

Last post by djh66
Replies: 6
by djh66 » Wed Feb 05, 2014 8:43 pm

Hi, I'm replacing my ScootRS expansion, for a genuine Taffy I had it dyno'd on the ScootRS, but I need a ball park jetting for the Taffy, I will be...

6 Replies

2797 Views

Last post by djh66
Fri Feb 07, 2014 9:06 am
PHBH 30 camlam specs

Last post by Noplastic
Replies: 9
by Noplastic » Thu Jan 30, 2014 10:26 am

Hi everyone,
I'm searching for some good tips to set up my phbh 30 on a Mugello 225+JL3.
Searching the net i noticed this cambridge lambretta set up...

9 Replies

5193 Views

Last post by Noplastic
Wed Feb 05, 2014 9:35 pm
mb RT 190 carb set up.

Last post by boris
Replies: 7
by boris » Sun Aug 04, 2013 10:37 pm

Hi
I recently had the above kit fitted but I'm not to clued up on setting the carb.
I have trawled the web to find someone who has the RT 190 set up...

7 Replies

4236 Views

Last post by boris
Wed Jan 08, 2014 7:50 pm
ball park jetting please

Last post by Richjak
Replies: 3
by smoore-gt225 » Mon Dec 31, 2012 9:57 am

hi can anyone give me a start point ball park jetting on a vespa px150 with dr180 kit fitted
28mm delly phbh carb, simonini pipe
was going to start...

3 Replies

2349 Views

Last post by Richjak
Wed Dec 11, 2013 11:47 am
30mm pwk powerjet advice

Last post by corrado
Replies: 7
by markpryke » Fri Sep 27, 2013 2:34 pm

hi all

after some advise on jetting for 30mm pwk power jet

can seam to get jetting right running very rich

any adive on what jets to use would...

7 Replies

3961 Views

Last post by corrado
Tue Nov 26, 2013 1:40 pm
Mugello 225 with PHBH28 carb setting??

Last post by corrado
Replies: 1
by Trifero » Thu Sep 12, 2013 10:57 am

Hello, i have a lambretta GP 200 with the next configuration:
Mugello 225.
Mazzuchelli 60 mm
PHBH 28 Dellorto carb.
Ramair foam filter
GP200 original...

1 Replies

1946 Views

Last post by corrado
Tue Nov 26, 2013 12:29 pm
Alu-Polossi with PHBH26

Last post by Svint1

by Svint1 » Tue Oct 15, 2013 5:36 pm

Hi all!

I need some help to get my Polossi-equipped SS180 to run properly...

The parts are;
PX200 engine
60mm crank (not reed)
Alu-Polossi...

0 Replies

1984 Views

Last post by Svint1
Tue Oct 15, 2013 5:36 pm
GT186, PHBL25, MB Clubman Set Up???

Last post by slangen
Replies: 6
by soulsurfer » Sat Aug 31, 2013 7:41 am

Anyone using this combination or any suggetstions for a starting point?

Thanks :)

6 Replies

3190 Views

Last post by slangen
Mon Oct 14, 2013 10:56 pm
Revs Hanging

Last post by Lam-d
Replies: 2
by Lam-d » Sun Sep 22, 2013 10:36 am

Ok i thought i saw a post similar to this on put cant seem to find it so apologies if this is a repeat post .....i am running a honda 205 on 25MM...

2 Replies

2013 Views

Last post by Lam-d
Fri Oct 04, 2013 6:19 pm
Stock indian Stage four + OKO PWK 24 + JL3

Last post by pasner
Replies: 2
by pasner » Fri Sep 27, 2013 9:45 am

Building the engine right now, got to start carburation next week:

Engine: Stock Indian Stage 4, Piston Asso 2 thin rings, cases matched to the...

2 Replies

1963 Views

Last post by pasner
Sun Sep 29, 2013 8:33 am

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