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Messages - BARNFIELD

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Twins / Re: A10 Cylinder Block
« on: 21 November, 2017, 17:01:03 »
Used barrels can usually be found on eBay. Not sure if you can get new ones anymore, but try Kidderminster Motorcycles, they're proper classic spares dealers. Also George Prew or Draganfly. They all advertise in the club mag.

Twins / Re: S/Rocket dynamo not working
« on: 20 November, 2017, 18:48:46 »
Julian, many thanks for the info. I do remember coming across this electrical guru some time back as i also have a Matchbox, but due to the passage of time had forgotten about it. Well worth reading up about the Prof's simple and explanatory approach to dealing with electrical gremlins. Will post a thread later to inform those interested on the result.

Twins / S/Rocket dynamo not working
« on: 19 November, 2017, 09:37:49 »
61 S/Rocket, stood for 11 years, dynamo showing no charge on ammeter. Have used multimeter across batt. terminals with engine running but voltage output not rising when revved. Seem to remember from 45+years ago that a wire from battery pos (if neg is earth) connected to the dynamo field wire and flashed to earth sometimes did the trick,(polarizing?) particularly if dynamo rebuilt or laid up for a long period. Can anyone advise on correct procedure. Converted to 12v with electronic rectifier/regulator. Thanks, Greg

The Star and Garter / Re: Super Rocket cylinder head torque
« on: 09 November, 2017, 11:12:44 »
Thanks Julian and other contributers, thought 30 ft/lbs would be about max for size of bolts, just wanted to be sure.

Twins / Re: Super Rocket head torque
« on: 08 November, 2017, 22:54:57 »
Checked to make sure was posted but couldn't see it, hence posting a second time. Can't find any answers tho'.

Twins / Super Rocket head torque
« on: 08 November, 2017, 18:47:45 »
Can anyone advise on the correct torque value for Super Rocket cylinder head bolts. Thanks, Greg

The Star and Garter / Super Rocket cylinder head torque
« on: 08 November, 2017, 12:50:32 »
Can anyone advise on the correct torque value for  cylinder head bolts, '61 Super Rocket. My old Haynes manual is a bit short on some tekky info. Thanks, Greg

Twins / Re: 1961 A10 S/Rocket. Rear wheel binding
« on: 18 September, 2017, 15:43:39 »
Hi Julian, thanks for providing a cross section line drawing of the rear hub. The bearings were not removed and the washer at the spindle head is still in place. Have studied the drawing and identified all the parts, and as you state, there is no washer shown inboard of the brake plate. Have removed the wheel again and refitted but the problem remains. The "spare" washer is similar in size to the one at the spindle head and have no idea where it was dislodged from.

Twins / 1961 A10 S/Rocket. Rear wheel binding
« on: 15 September, 2017, 17:07:34 »
Removed rear wheel/drive sprocket completely to free sticking brake plate cam. Yes, i now know i could have left the sprocket ass. in situ. Freed up the cam spindle, deglazed the shoes and drum and refitted the wheel. After tightening the wheel spindle/nut the wheel is now binding and requires some effort to turn by hand. The shoes are not binding. Wheel turns freely when slackened off. Noticed a spindle-sized washer on workstand which i fitted next to the distance piece "cotton reel" on outside of the brake plate. Wondering if this should be fitted inboard of brake plate. Can anyone help please. Thanks Greg

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