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31
Twins / Re: SRM A10 650 twin
« on: 05 March, 2018, 15:16:01 »
Re your questions regarding oil. On SRM recommendation, I have used straight grade SAE 50 in my Thunderbolt for the last 10 years (changing it regularly of course). In that time it has done 13000 miles and I have just checked the bores and big ends and they are showing no signs of wear.  I do have a remote screw on cartridge oil filter fitted, which must have helped. I use Morris's Golden Film available from all good Motor Factors. Main thing is to be sensible with the oil changes. Some people change it every year without fail but if you've only done 500 miles, that's a bit over the top in my book. Mine has been changed approx every 1500-2000 miles, dpending on how much I've put in during that period (A65's do tend to use oil usually via the valve guides). Other recommendations re Gearbox and primary chaincase are correct.
Re the Anti Syphon valves well, the jury has been out on these for years. The A10 does have a check valve in the oil feed internal galleries which, I believe is the usual ball and spring but is got at from inside the crankcase so not easy to sort out if it doesn't hold the black stuff back. I would assume that SRM would have re-seated this as part of the rebuild, so I suggest you try it and see. The beauty of the SRM sump plate is the drain plug. If you have left it standing for a couple of weeks, undo the drain plug and see how much comes out. If you use the bike weekly, its unlikely that much will have got past the 'overhauled' oil pump anyway'.
Hope this helps!!
Chris

32
Twins / Re: Rare grommet OIF A65
« on: 02 March, 2018, 13:05:27 »
4.50 each!!!!! Crikey, someone is taking the rise!
These are the sort of product stuck in the end of Tubular furniture. Take a look at www.bpfonline.co.uk. They do these in Black, grey or white and a 22mm ones for example is 31 pence each including vat. OK, they are not rubber, but are durable and will do the job!
I have got some on the Thunderbolt. I had a scary moment last year when I came to remove the cover, I found black grommets in the holes. Now I have never fitted any of these in the 13 years of ownership so I thought I was going mad!! I then read in the Wiltshire Branch notes that Pete (Wiltshire Branch Chairman) had been to Popham Megameet and whilst there purchased some of the grommets for his own Lightning. As he bought a bag of 10 for pennies, he kindly adorned 2 other OIF machines with some. Mine was one of those lucky machines. Phew! I cancelled the appointment with the Psychiatrist with great relief!
Chris

33
The Star and Garter / Re: dvla new commitie
« on: 01 March, 2018, 12:08:06 »
I believe the ULEZ charges don't apply to Historic vehicles.

34
Twins / Re: Headlight bulb lighting
« on: 25 February, 2018, 17:05:29 »
Didn't you mean to say it switches from Pilot to Headlight?

35
Twins / Re: Headlight bulb lighting
« on: 22 February, 2018, 18:11:28 »
Thanks Julian,
I have to admit I have never studied the T65 spec as just thought of it as a Triumph. Also, to my shame, I never read the guff on that in detail probably for the same reason, or being close to the end of the book, fatigue had set in! ;D

Looks like Crofty has a T65 which must be quite rare!

Chris

36
Twins / Re: Headlight bulb lighting
« on: 22 February, 2018, 16:23:06 »
Sorry I should have acknowledged the source of the picture was from 'BSA A50/A65 Twins All models 1962-1972' by Roy Bacon ref Niton Publishing, Isle of Wight.
Chris

37
Twins / Re: Headlight bulb lighting
« on: 22 February, 2018, 16:20:28 »
Crofty, I've never seen that wiring diagram before so am intrigued to know what workshop manual it came from. My understanding from all the published books that for 1973, the model was a T65 which had a Triumph Tiger 650 engine, was fitted with the earlier front wheel, brake and mudguard, gaiters on the forks and earlier style pressed steel headlamp brackets and conical shape headlamp. (see attached pic).
My guess is they used the BSA model to shift old stock of Triumph 650 engines and Daytona wheels i.e. a bottom of the range parts bin special.
What are the letters on your engine/frame no.? (First letter is month and second is year) 1973 was H so for example if it was Dec 1973 it would be XH****.
A few pertinent questions: Is your ignition switch position towards the rear of the RH side panel?  Is the headlamp shell a flat type or more traditional conical shape? Is the light switch on the headlamp shell an on/off rotary switch with just two screw connections or a 3 position lighting switch (Toggle)?
Reasons for asking are the Lighting switch in the diagram above looks very much like the 3 pos toggle switch. 
Let us know as soon as you can
Chris

38
Twins / Re: Headset bearing adjustment.
« on: 21 February, 2018, 16:36:04 »
Another issue is the early ones had a 20tpi nut (the one with the slots in that grips the stem when the top yoke clamp bolt is tightened up). The later ones had a finer thread. As yiu tighten the head bearings, its kind of an on/off point between slack and graunchy. You'll know what  mean when you do it :)
Chris

39
You need at least a 3 position i.e 2,3&4 otherwise you need a separate light switch elsewhere in the loom which of kind of defeating the object.
A replica Lucas LU 35351 is 13.95 including lock and two keys at Feked.com , cheap as chips! The replica doesnt allow you to take the key out when on parking light (which you dont need anyway nowadays, so I don't connect up to the tag that powers that. Benefit of this is you dont leave the parking light on in daylight without realising and drain your battery.
Chris

40
The Star and Garter / Re: NICE OIF SEAT
« on: 18 February, 2018, 12:13:26 »
Thanks. Its the correct base and can be used on the early 1971 or later frames as it has the two positions for the hinge brackets. The cover and foam are custom made and looks comfy, but the seam down the back spoils it for me.
Chris

41
Twins / Re: A50 plunger frame
« on: 16 February, 2018, 17:02:21 »
Why would anyone want to change a swinging arm frame into a plunger frame? The world is going mad I tell you! Going Mad!

42
The Star and Garter / Re: cotter pin
« on: 16 February, 2018, 17:00:18 »
Brian Pollitt used to sell some SS ones when he owned Lightning Spares, they are brilliant ( I bought 1 +1 for a spare). Draganfly bought all the Lightning Spares stock so they probably have them.
Chris

43
The Star and Garter / Re: NICE OIF SEAT
« on: 16 February, 2018, 16:57:18 »
I Looked for it but couldn't find it what is the ebay listing ref no?

44
The Star and Garter / Re: Tip for cutting pipe
« on: 13 February, 2018, 16:01:23 »
Looking forward to it.
Many thanks
Chris

45
The Star and Garter / Re: New Ebay Scams on motorcycles
« on: 13 February, 2018, 13:15:38 »
Have you reported it to Ebay? I have done this before and although they never reply, the item disappears quite quickly.

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