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Topics - royblackburn1@btinternet.

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1
Twins / A65L bad starting
« on: 15 November, 2018, 17:39:05 »
Hi all I am running my lightning on boyer bransden ignition and two six volt coils and the bike is hard to start I noticed the spark at the plugs seam to be weak would a twelve volt duel coil give better spark also what plugs are best the amal carbs air screws are one and a half turns out when easy start is used it fires up. thanks Roy

2
Twins / A65L static timing
« on: 06 November, 2018, 13:23:17 »
Hi all am I right in thinking that with the timing plug in position and the pointer on the alternator side lines up with the dot that the engine is on compression or might it engine need turning once more. Roy

3
The Star and Garter / Pub talk
« on: 23 October, 2018, 18:58:26 »
Hi all a conversation on bikes was mentioned about brit bikes exported to USofA  with east coast spec and west coast spec anyone know the difference and why please. Roy

4
Twins / carburation
« on: 16 September, 2018, 11:48:00 »
Hi all I am running a rebuilt A65L engine when the engine was stripped down the engineer told me the conditions of the pistons shown it had been running rich, now its running I checked the new plugs and the electrode is a grey/light brown colour is this ok plugs are NGK B8ES concentric carb with 106 needle and jet needle is in middle groove.thanks Roy

5
Twins / 1966 a65L stanchion identification
« on: 23 August, 2018, 13:13:35 »
hi all, I have a 1966 A65L and never been happy with front fork damping on stripping them down I found that the bottom of each stanchion are four drilled holes are these stanchion for the shuttle valve legs the inner parts are for normal legs, can anyone help with identification please, Roy

6
The Star and Garter / oil feed/return O rings
« on: 06 June, 2018, 15:02:32 »
Hi all I have a problem with the oil feed and return O rings on my 1966 A65L leaking did any firm make a gasket to seal the joint or where can I get quality O  rings thanks Roy

7
The Star and Garter / amal carburettor
« on: 28 May, 2018, 19:20:12 »
Hi all I have unearthed a  pair of amal concentric carbs what is the best way to give them a good clean is it possible to clean the pilot jet bush thanks Roy

8
The Star and Garter / Matt black engine
« on: 02 March, 2018, 19:52:38 »
Hi all, looking at photos of my imported A65L (I didn't import it ) and remembering the crankcases where painted matt black then reading somewhere that it was to dissipate the heat from the engine, does anyone know out of intrest what country without going to the dating process it might have been shipped to when new, (the paint has been removed) thanks for reading Roy

9
The Star and Garter / cotter pin
« on: 15 February, 2018, 10:51:52 »
hi all can anyone recommend a mail order firm that stocks hard metal cotter pin for a A65 thanks Roy

10
Twins / reluctant starter
« on: 13 November, 2017, 17:41:21 »
Hi can anyone help before my right foot is damaged beyond repair my A65L is a poor starter when it was running the timing was set up using a strobe but refuses to start at times I have 12.6 volts at the battery when trying to start it is this enough volts to get the Boyer Bransden ignition working my concentric carbs do not have pilot jets in even when they where bought new would pilot jets help when easy start is squirted in it fires up. thanks Roy

11
The Star and Garter / ammeter query
« on: 20 October, 2017, 17:43:15 »
Hi I have a 1966 lightning with Boyer Bransden ignition and modern rectifier/zener diode when I turn the ignition on  the ammeter needle goes to -3 for a couple of seconds then returns to zero is this normal or is there a fault somewhere, thanks Roy

12
The Star and Garter / boyer bransden ignition
« on: 25 September, 2017, 10:33:23 »
Hi how can I check my boyer bransden ignition is working ok in situ had to lift engine to change oil feed o rings so removed coils to get at engine mounting  bolts now engine running rough,thanks Roy

13
Twins / A65L engin and frame number
« on: 15 March, 2017, 14:55:14 »
Hi before I get in touch with the dating officer can anyone help my log book says my A65L is 1966 and my engine number is A65L146** which it is and my frame number which I cannot find is the same I have been told that it is actually a 1970, can someone shed some light please

14
Twins / carb jet confusion
« on: 09 March, 2017, 12:01:07 »
 hi I have a imported 1966 lightning can anyone tell me the correct size jets and needle position for the concentric carbs numbers  932 R300 and 932 L301 I have been told the engine is running rich and why are there so many variations on the same engines through out the years. thanks Roy

15
The Star and Garter / Word of mouth
« on: 19 February, 2017, 10:34:38 »
Hi can anyone tell me of a engine builder in Nottinghamshire or on its borders, I have heard of one guy who charges £450 plus parts and any machining required is this the norm never had one rebuilt before thanks Roy 

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