michael 1957 g3 Restoration updated !!

Information relating to the Matchless G3 or AJS Model 16 350cc Heavyweight
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Re: michael 1957 g3 Restoration

Postby vn800b » Mon Jun 18, 2018 9:18 pm

thanks guys for the help, i will try that and keep you posted. mike

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Re: michael 1957 g3 Restoration

Postby vn800b » Mon Jun 18, 2018 9:32 pm

is the right carb spacer the 1'' bore one??
mike

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Re: michael 1957 g3 Restoration

Postby Pharisee » Mon Jun 18, 2018 10:58 pm

vn800b wrote:is the right carb spacer the 1'' bore one??
mike


My G3/LS has a 1.1/16" bore carburettor and spacer.

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Re: michael 1957 g3 Restoration

Postby vn800b » Tue Jun 26, 2018 4:38 pm

hi pharisee, ok thank you, the one i bought is the 1'' one, so just trying to find out what the right one i should use??

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Re: michael 1957 g3 Restoration

Postby vn800b » Sat Jun 30, 2018 4:17 pm

Hi guys

ive worked on the matchless today,trying to get her closer to beening on the road, and fitted all the new carb rebuild kit,the new needle seems to make it flood out of the top of the tickler, so i used the old one and it seems fine now, but ive not been able to start the bike allday, ive check for fuel, and has a spark.
now just not sure, what to do. so wondered if you guys have any tips on things to check to keep the bikes running??
thanks mike

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Re: michael 1957 g3 Restoration updated !!

Postby Mick D » Sat Jun 30, 2018 4:44 pm

Hi

As the bike was running before the carb work I would assume you have flooded the engine - take the plug out and spin the engine over a dozen or so times on the kick start with the throttle closed. Put the plug back in, tickle the carb, close the choke and it should start.

If you've had the pilot air adjuster out have you re-set it correctly?

Regards Mick

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Re: michael 1957 g3 Restoration updated !!

Postby Peter Morris » Sat Jun 30, 2018 5:15 pm

I find it (seems to) helps to remove and heat the plug up with a blow lamp after flooding, don't know if a hot plug helps or it's just that the heat dries the wet plug.

The carb bore/spacer is, according to the '57 manual, http://archives.jampot.dk/book/Owners_m ... models.pdf 1 1/16th" .......... you can also read how to adjust the carb

Peter

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Re: michael 1957 g3 Restoration updated !!

Postby vn800b » Mon Jul 16, 2018 9:08 pm

Hi guys thanks for the messages, on the matchless, i have been able to get it going but takes a lot of kicks and not runs great!! ive fitted the new 1,1/6 carb spacer, the old one was rubber does anybody know what this is made off? the next thing i was going to get checked was the magneto, does anyone know of a good place to get that done??
thanks mike
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Re: michael 1957 g3 Restoration updated !!

Postby Mick D » Wed Jul 18, 2018 2:19 pm

Hi

The spacer is made out of SRBP, 'Paxolin' is one of it's trade names.

The carb top nut looks cross threaded in your photos, try bulking the thread up with plumber's PTFE tape or insulation tape as suggested earlier if it is.

The magneto may be the cause of your poor running but it's also probably the most expensive to sort - I'd try to eliminate the cheaper options before going to the mag.

Electrical: - Spark plug, suppressor cap, HT lead, points, timing

Fuel: - Carb tuning, fuel filters / strainers

Regards Mick

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Re: michael 1957 g3 Restoration updated !!

Postby Pharisee » Wed Jul 18, 2018 3:10 pm

Mick D wrote:Hi

The spacer is made out of SRBP, 'Paxolin' is one of it's trade names.




Just to be pedantic... And I may well be shooting myself in the foot, here... I thought "Paxolin" was synthetic resin bonded paper (SRBP).
The spacer I bought was "SRBF"... "synthetic resin bonded fabric" more commonly known as "Tufnol".
Not that it makes a great deal of difference in the great scheme of things.

Sorry... I'll get me coat!

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