Search found 276 matches

by john.bebb
Sun Jul 09, 2023 8:15 pm
Forum: Four stroke
Topic: Sq4 MkI- new life
Replies: 76
Views: 3973

Re: Sq4 MkI- new life

further to Paul's msg - is the retard/advance working???
... & so as we know; - is the R/A mechanical as orig...
or electronic? - similarly points as orig. or please detail#
make & model of the ign pack, thanks.
by john.bebb
Sun Jul 09, 2023 3:23 pm
Forum: Four stroke
Topic: Sq4 MkI- new life
Replies: 76
Views: 3973

Re: Sq4 MkI- new life

Hi Gui - you describe the symptoms which caused me to scrap the Solex & fit an Amal!!!
by john.bebb
Fri Jul 07, 2023 1:54 am
Forum: Four stroke
Topic: Cam chain tensioner clearance?
Replies: 4
Views: 393

Re: Cam chain tensioner clearance?

I thank you sincerely Gui for the info.
Cheers, John
by john.bebb
Sat Jul 01, 2023 1:40 pm
Forum: Four stroke
Topic: Cam chain tensioner clearance?
Replies: 4
Views: 393

Cam chain tensioner clearance?

Hi Folks - reminder, please: - what's the clearance on a Mk1 for the camchain backlash slipper and the sprung blade? - thanks!
by john.bebb
Sun Jun 25, 2023 3:29 pm
Forum: Four stroke
Topic: Sq4 MkI- new life
Replies: 76
Views: 3973

Re: Sq4 MkI- new life

Hi Folks, Thanks for your input & suggestions: - Simes - the pic is deceiving – the leakage is definitely from “distributor corner” … The options are; - 1/ rocker & p-gauge pipes & banjo. 2/ oil tank feed/return adapter. 3/ timing chest (crankcase) breather ((I believe Gui refers to this...
by john.bebb
Sat Jun 24, 2023 4:13 pm
Forum: Four stroke
Topic: Sq4 MkI- new life
Replies: 76
Views: 3973

Re: Sq4 MkI- new life

IMG_20230623_1731107.jpg Hi Gui, & All Gui - good to hear your Sq's on it's way back... Please could you describe the symptoms of "wet sumping" which made you to suspect & return your pump to Morgo? I've a weird prob with mine - there is considerable loss of condensate(?) after a ...
by john.bebb
Fri Jun 02, 2023 9:25 am
Forum: Main Chat Forum
Topic: Archived drawings?
Replies: 1
Views: 349

Archived drawings?

Hi Folks - please, who should I contact to enquire about obtaining copy of original engineering drawings?
Thanks, John
by john.bebb
Sun Feb 26, 2023 5:29 pm
Forum: Four stroke
Topic: Sq4 MkI- new life
Replies: 76
Views: 3973

Re: Sq4 MkI- new life

Hi Gui - hope all goes well this time!!!
Mine is also currently in bits - but only for the top end & new rims painted to match the tank..
probably put some heated grips opn whilst it's apart... (yeah - I'm getting old).
by john.bebb
Thu Jan 19, 2023 7:58 pm
Forum: Four stroke
Topic: Oh dear....
Replies: 6
Views: 447

Re: Oh dear....

Thanks all for your comments - close inspection implies the damage was done many yonks ago... nowt wrong with the other 9... & the fit is such that the shouldered bolt still picks up on the thread. Am probably gonna leave as is - but keep a weather eye... if worst comes to worst it might get spo...
by john.bebb
Thu Jan 19, 2023 1:31 pm
Forum: Four stroke
Topic: Oh dear....
Replies: 6
Views: 447

Oh dear....

One really should have changed the sprocket BEFORE the hub was re-laced into a painted stainless rim....