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by paul.jameson
Thu Dec 31, 2020 10:19 pm
Forum: Main Chat Forum
Topic: Happy New Year to all - let's hope for a better one than 2020
Replies: 7
Views: 534

Happy New Year to all - let's hope for a better one than 2020

Night-time with the moon out as the New Year draws near.

Note the weathercock.

IMG_82112.jpg
by paul.jameson
Wed Dec 30, 2020 9:22 pm
Forum: Four stroke
Topic: NH 350 - sprockets and chain wheels
Replies: 10
Views: 959

Re: NH 350 - sprockets and chain wheels

My KH, although nominally a 1955 model year bike was built in September 1954 using 1954 type swinging arm and chainguard, just like yours.
by paul.jameson
Wed Dec 30, 2020 9:18 pm
Forum: Four stroke
Topic: Magneto help please
Replies: 10
Views: 758

Re: Magneto help please

I think you will find that your MSL1 magneto is original for a 1935 NH and that your current magneto is a later replacement. You might want to bear this in mind if considering a magneto rebuild at any time.
by paul.jameson
Wed Dec 30, 2020 9:09 pm
Forum: Ariel Talk
Topic: Photo of bikes in “History”
Replies: 1
Views: 252

Re: Photo of bikes in “History”

I would date the photo as 1946-48, when upswept pipes were readily available. The bikes appear to be a mixture of Red and Black tanks, coupled with chrome or enamelled wheel rims so a mixture of Red Hunters and De Luxe models.
by paul.jameson
Wed Dec 30, 2020 9:01 pm
Forum: Ariel Talk
Topic: Which year / model is this head from ?
Replies: 6
Views: 568

Re: Which year / model is this head from ?

A few more photos and/ or a bit more information is needed before I can make much of a guess. What does the combustion chamber look like and what diameter is it? What is the view from the back left - is there an oil feed to the inlet guide? What is the distance between the lower mounting points for ...
by paul.jameson
Tue Dec 29, 2020 9:22 am
Forum: Four stroke
Topic: A stupid mistake
Replies: 10
Views: 1189

Re: A stupid mistake

Take the rocker box cover off and pour it in there - slowly.
by paul.jameson
Tue Dec 22, 2020 7:26 pm
Forum: Ariel Talk
Topic: smiths Speedo 1938
Replies: 15
Views: 1781

Re: smiths Speedo 1938

Tripless PA speedos are common - fitted to cars. The differences between a trip PA speedo and a tripless one are fundamentally nothing more than a trip mechanism, plus a different bezel and (usually) a different odometer chassis. Finding the correct odometer chassis is relatively easy but the bezel ...
by paul.jameson
Thu Dec 17, 2020 9:12 pm
Forum: Main Chat Forum
Topic: Petrol Tap Seepage
Replies: 9
Views: 869

Re: Petrol Tap Seepage

You need a smear of Red Hermetite on the threads. Whilst any other gasket sealant will do the job initially, only Red Hermetite resists petrol for the long term. These days it is sold as Red Hylotite or some such name but it is the same stuff.
by paul.jameson
Sun Dec 13, 2020 9:28 pm
Forum: Four stroke
Topic: Ariel 4F/600 - 1932 engine
Replies: 20
Views: 2249

Re: Ariel 4F/600 - 1932 engine

Impressive work. When assembling the big ends, it is worth rotating the con rods by hand for a few rotations. The rollers have a tendency to bunch up and prevent rotation if you don't have enough clearance in the big end bearing. Rotating the con rod with a finger will test this. If the rollers lock...
by paul.jameson
Sun Dec 13, 2020 9:19 pm
Forum: Four stroke
Topic: Sq4 clutch cable routing
Replies: 3
Views: 369

Re: Sq4 clutch cable routing

All my Ariels have the cable routing down the front down tube as per the photos. The Healey uses the "under the tank" route. There is no significant difference at the handlebar lever with all 4 bikes having very light clutches. As far as I know, Ariel always used the routing down the front...

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