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by chris.shearwood
Sat Aug 31, 2019 1:08 am
Forum: Four stroke
Topic: Square Four
Replies: 4
Views: 1108

Re: Square Four

Why don't you join the club and then volunteer to set up an on-line form for joining?
by chris.shearwood
Mon Aug 19, 2019 1:01 pm
Forum: Four stroke
Topic: Burman gearbox cover
Replies: 9
Views: 998

Re: Burman gearbox cover

Nick,
I'm glad you succeeded but your mention of the outer plate popping off makes me wonder if you had all these parts nicely greased before installing them.
Regards, Chris
by chris.shearwood
Sat Aug 17, 2019 12:06 pm
Forum: Four stroke
Topic: Burman gearbox cover
Replies: 9
Views: 998

Re: Burman gearbox cover

I've used the string method successfully a few times. I don't remember any need for a rubber band, just a string turned a few times around something convenient above and towards the rear (of the bike), then looped down over the gear change mechanism and then back up and towards the front and tied ar...
by chris.shearwood
Fri Aug 16, 2019 6:09 pm
Forum: Ariel Talk
Topic: 1948 Iron 4G Coil Ignition
Replies: 92
Views: 23104

Re: 1948 Iron 4G Coil Ignition

This diagram from Bacon's book might help you.
by chris.shearwood
Sun Aug 11, 2019 12:30 pm
Forum: Four stroke
Topic: Single Cylinder Ignition Timing
Replies: 9
Views: 1711

Re: Single Cylinder Ignition Timing

Simon, I think you've done a very good job detailing all the steps of the timing process. The only thing I would add is that there should be some provision made so that your bamboo stick doesn't disappear down the plug hole if the motor is turned too far. Don't ask how I discovered this to be a good...
by chris.shearwood
Sun Jul 28, 2019 3:04 am
Forum: For sale/wanted - Bikes
Topic: FOR SALE : 1928 model E
Replies: 17
Views: 5509

Re: FOR SALE : 1928 model E

paul.wirdnam wrote:..but the problem is that many other people seem to have gone off SQ4s......they must be out of fashion.


I've heard they overheat on the rear cylinders too. :lol:
by chris.shearwood
Sun Jul 14, 2019 8:13 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 3143

Re: clutch and mainshaft

Mick D wrote:I'm assuming your impact driver ratings are in pounds force inches,


I think Johnny is talking about impact wrenches not impact drivers. I bought a cheap one recently that is rated at 350 ftlbs not inlbs.
by chris.shearwood
Sun Jul 14, 2019 2:07 pm
Forum: Four stroke
Topic: clutch and mainshaft
Replies: 46
Views: 3143

Re: clutch and mainshaft

As for torque figures and because I have a good range of torque wrenches I have torqued the gearbox sprocket to 60 LBFT and will torque the shock absorber and clutch centre to 50 LBFT Both of those torque values seem low to me. I have never used a torque wrench to put on those nuts but have just ti...
by chris.shearwood
Tue Jul 09, 2019 1:33 am
Forum: Main Chat Forum
Topic: Black Ariel & sidecar?
Replies: 18
Views: 2425

Re: Black Ariel & sidecar?

Richard,
Great story. Thanks for sharing. Made me chuckle!
by chris.shearwood
Sun Jun 30, 2019 7:55 pm
Forum: Four stroke
Topic: Square Four MkI - first rides after restoration
Replies: 31
Views: 6647

Re: Square Four MkI - first rides after restoration

Gui.dorey wrote:Now, I'll have to tackle the oil leaks which still are way too much, especially from the drive side.


What is the oil level in your primary case?

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