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by Ivor Collins
Tue Nov 28, 2017 5:15 pm
Forum: Two stroke
Topic: Splitting Arrow crankshafts
Replies: 2
Views: 591

Re: Splitting Arrow crankshafts

Hi Roy The one that I did recently was so tight I thought something would be damaged by the force I had to apply, well over 100ft lbs to break away the bolt tension and then about the same when it separates the taper. Don't use an Allen key unless it fully engages into the socket head or you may rui...
by Ivor Collins
Sun Nov 26, 2017 10:37 am
Forum: Two stroke
Topic: Ariel Arrow starting
Replies: 65
Views: 7539

Re: Ariel Arrow starting

Hi John Fresh fuel and 32:1 should be fine, just best to avoid the idea of extra oil for running in until it's starting ok and back on the road. I know you have tried both with and without electronic ignition but that does not exclude the coincidence of a problem with both systems or on the unchange...
by Ivor Collins
Sat Nov 25, 2017 12:03 pm
Forum: Two stroke
Topic: Ariel Arrow starting
Replies: 65
Views: 7539

Re: Ariel Arrow starting

Hi John Could be seals, strange how it moves sides though. Have you tried starting, then pulling the HT lead off the non running side and holding it close to the plug just to prove the spark? Providing a large gap for the spark to jump increases the voltage and can provide benefits too. Have you tho...
by Ivor Collins
Sat Nov 18, 2017 9:29 am
Forum: Two stroke
Topic: Crankshaft aligning tool and seals
Replies: 8
Views: 1152

Re: Crankshaft aligning tool and seals

Yes, that was the sad loss of a talented engineer who will be remembered. I only had the pleasure of speaking to him a couple of times and would have liked to have known him better. I assumed there may be a few of his TLS's in use by members and was curious for feedback but I'm sure it will be a big...
by Ivor Collins
Fri Nov 17, 2017 9:38 am
Forum: Two stroke
Topic: Crankshaft aligning tool and seals
Replies: 8
Views: 1152

Re: Crankshaft aligning tool / TLS brake

Hi Roy The crank locking tool is out with Eddie at the moment but the crank back in now and I should be seeing him next week so just let me know when you're ready to start on yours and we can arrange a meet. I am in a hamlet just west of LB and will PM you an address and phone number for when you, l...
by Ivor Collins
Thu Nov 16, 2017 6:54 pm
Forum: Two stroke
Topic: Crankshaft aligning tool and seals
Replies: 8
Views: 1152

Re: Crankshaft aligning tool and seals

Hi Roy Do you need to buy a crank tool or just have the use of it? I am just south of MK and could loan you one. On the TLS subject, have you seen the Paul Webb drawings to modify our existing brake? Costs involved in the manufacture but so too is there in grafting on a Honda brake. I don't have one...
by Ivor Collins
Wed Nov 08, 2017 5:53 pm
Forum: Two stroke
Topic: new toy!!!
Replies: 15
Views: 2318

Re: new toy!!!

Hi Ken

If you stamped up a replacement plate and had the bike validated before applying to dvla that could work?

Regards
Ivor
by Ivor Collins
Mon Oct 23, 2017 10:28 pm
Forum: Two stroke
Topic: What is normal??
Replies: 23
Views: 2996

Re: What is normal??

Hi Adrie and thanks for your input If I understand your suggested test method correctly, the piston position would leave the inlet tract open to the carburettor and therefore to atmosphere, also connecting each cylinder to the other so could not work. Maybe I have misunderstood you? Although my firs...
by Ivor Collins
Sun Oct 22, 2017 11:33 am
Forum: Two stroke
Topic: What is normal??
Replies: 23
Views: 2996

Re: What is normal??

Hi Roger The concept of being able to test the crankcase seals has intrigued me for a while and I did knock up some sort of kit but as it was only capable of testing the two sides together and not the centre seal it was all a bit pointless really, though it would pick up porous doors or worn end sea...
by Ivor Collins
Fri Oct 20, 2017 10:58 pm
Forum: Two stroke
Topic: What is normal??
Replies: 23
Views: 2996

Re: What is normal??

Hi Trevor As Brian rightly says, electronic ignition will not solve anything, a correctly set up CB ignition is quite capable of the job, despite the Joseph Lucas components! Have you done a compression test or tried starting the engine and then pulling off each plug lead in turn to establish if onl...

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