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by keith wainwright
Thu Sep 19, 2019 6:39 pm
Forum: Four stroke
Topic: Square 4 MkI - too lean or too retarded?
Replies: 11
Views: 266

Re: Square 4 MkI - too lean or too retarded?

Hi Guys I use Esso petrol. They have not started using ethanol. Keith
by keith wainwright
Tue Sep 10, 2019 2:04 pm
Forum: Four stroke
Topic: Sq4 MKI timing case breather
Replies: 10
Views: 1015

Re: Sq4 MKI timing case breather

Its 1/4 BSP x 19TPI x 17/32" OD. I purchased from e-bay. Keith
by keith wainwright
Sun Sep 01, 2019 9:46 pm
Forum: Main Chat Forum
Topic: high carbon build up
Replies: 12
Views: 737

Re: high carbon build up

Hi have you checked the head nuts for correct tork, had a problem once with oil crossing under the head gasket due to loose head nuts. Keith
by keith wainwright
Wed Aug 28, 2019 2:37 pm
Forum: For sale/wanted - Parts
Topic: Wanted Square Four Mk11 Timing Cover
Replies: 4
Views: 974

Re: Wanted Square Four Mk11 Timing Cover

Thanks Paul will take a look.
by keith wainwright
Wed Aug 21, 2019 9:24 pm
Forum: Four stroke
Topic: square four valve timing
Replies: 6
Views: 742

Re: square four valve timing

Hi Guy this will help you once the valve gear has been assembled. Mk1 and Mk11 Ariel Square Four Valve timing. Tools required. 1 Feeler gauges imperial 0.006” and 0.008” 2 Dial gauge. (Magnetic base would be good) 3 1/8 Witworth small ring spanner and open ended spanner. (Locknut on tappet adjusting...
by keith wainwright
Tue Aug 20, 2019 10:16 am
Forum: For sale/wanted - Parts
Topic: Wanted Square Four Mk11 Timing Cover
Replies: 4
Views: 974

Wanted Square Four Mk11 Timing Cover

Hi all wanted Ariel Square Four Mk11Timing cover. Cash waiting thanks for looking. Keith
by keith wainwright
Sat Aug 10, 2019 1:01 pm
Forum: Four stroke
Topic: Wanted Mk11 Timing Cover
Replies: 0
Views: 1256

Wanted Mk11 Timing Cover

Hi Guys can anbody help me with a Mk11 Square Four Timing cover. The Mk11 cover has a larger bulge to accommodate the bigger oil pump on Mk11's. Keith
by keith wainwright
Mon Aug 05, 2019 9:18 pm
Forum: For sale/wanted - Parts
Topic: 1955 MK11 crankcases
Replies: 5
Views: 1360

Re: 1955 MK11 crankcases

Hi how much are you asking?
by keith wainwright
Sat Aug 03, 2019 1:21 pm
Forum: Main Chat Forum
Topic: Another tough day at the office !
Replies: 14
Views: 1935

Re: Another tough day at the office !

Hi Bevan if you can wait until February of next year, I will be travelling out to New Zealand for 4 weeks. If that's any help. Keith
by keith wainwright
Tue Jul 23, 2019 11:00 pm
Forum: For sale/wanted - Bikes
Topic: Wanted: Square 4
Replies: 29
Views: 3887

Re: Wanted: Square 4

Hi if you are not found one I could have a MK11 for sale with saddle 1955 inported from USA back in the 2000 and has the US spec. Keith

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