3a. BTH KD1, Lucas Magneto/MagDyno and Ignition and HT Parts

This section includes many parts to fit original BTH KD1 competition magnetos (as fitted to the majority of competition Norton SOHC models), as well as other parts for competition Lucas magnetos and roadoging Mag/Dyno's.

It also contains a selection of period veteran and vintage HT leads, spark plugs and spark plug accessories.

See also section 3.b for general electrical components and wiring system for your motorcycle

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HT Cable - Yellow and Black Cloth : Competition Lead 1930's-40's Product no.: 0198 KD1 020 - This woven cloth HT lead is of the type originally used on competition BTH magnetos in the 1930's and 1940's, and looks great for the authentic finishing touch on your comeptition bike restoration. Price is per foot. - I use this on my rigid and plunger framed Nortons - Note: Recently a customer informed me that the HT lead got soaked in the rain, and the spark was lost, as it shorted across the cloth. Please can I suggest that if you use the bike in all weathers, you may want to cut back the cloth 10mm on each end where it feeds into the Pickups, to minimise this. £2.60 *	Veteran Spark Plug and Sealing Washers - 18mm Plugs for Older Models (i.e WD16H and Douglas 2 3/4hp) Product no.: 0896 HT_Nut02 This listing offers a small selection of 18mm Spark Plugs suitable for those older models fitted with an 18mm Spark Plug thread in their cylinder head i.e. Norton 1920's models, WD 16H models and Douglas 2 3/4hp models. Please read the detail listing carefully - as some 'Long Reach' types are no longer available, and alternatives are also listed. This is a multiple listing item, also offering original type 'crushable copper' washers for both 14mm and 18mm spark plugs. from £1.20 * In stock	Knurled Brass Spark Plug Nuts and Veteran Spark Plugs and Accessories - Various Types Product no.: 0895 HT_Nut01 This listing shows a selection of brass fittings for veteran motorcycle spark plugs, as well as some rarer spark plugs and fittings (and a nice copy of the Veteran Lodge style brass cooling fins that fit over most spark plug types). We have manufactured the knurled brass nuts for securing the HT lead on older motorcycles (i.e. pre spark plug cap) in two main styles and a variety of threads See item listing for full detail and options from £2.20 * In stock
NGK Spark Plug B6ES: Norton SOHC/OHV/SV and Vincent 500/1000 Product no.: 0575 NGK_B6ES NGK B6ES Spark Plug to fit all Norton road going single engines, i.e. Model 30/40, OHV ES2/Mod 18/Mod19 and SV 16H/Big4. It also fits Vincent 500cc and 1000cc models (Series B/C/D). I use NGK spark plugs on all my bikes now, I have found them to be the best of all modern plugs for quality and reliability. The B6ES is equivelant to a Champion N5 and is the 'normal' roadgoing fitment for Norton singles and Vincent models. The other common fitment for these engines was the B7ES (Champion equivelant N4) which is a slightly harder plug and may be more suitable if you prefer harder/hotter running. I tend to keep at least one of each in my tool roll on road bikes, as spares - we sell the B7ES grade as well - Item no 0576 £3.90 * In stock can be shipped within 10 days	NGK Spark Plug B7ES: Norton SOHC/OHV/SV and Vincent 500/1000 Product no.: 0576 NGK_B7ES NGK B7ES Spark Plug to fit all Norton road going single engines, i.e. Model 30/40, OHV ES2/Mod 18/Mod19 and SV 16H/Big4. It also fits Vincent 500cc and 1000cc models (Series B/C/D). I use NGK spark plugs on all my bikes now, I have found them to be the best of all modern plugs for quality and reliability. The B7ES is equivelant to a Champion N4 and is an alternative to the slightly softer B6ES (item number 0575). You may find your engine runs slighlty better on this grade of plug if you often run at high speeds or your engine runs hot, as this is a slightly harder (colder) plug. I tend to keep at least one of each in my tool roll on road bikes, as spares - we sell the softer B6ES grade as well - Item no 0575 £3.90 * In stock can be shipped within 10 days	HT Spark Plug Cap - Black Rubber Type Product no.: 0194 KD1 019 - Standard black rubber HT spark plug cap. Suppressed £3.60 * In stock can be shipped within 30 days
HT Spark Plug Cap - Classic Champion Type Product no.: 0583 WCX600 Classic 'Champion' spark plug cap, Type WCX600, with suppressor fitted. A very popular classic model of HT spark plug cap, fitted to many british bikes in the 50's-60's. £8.95 * In stock can be shipped within 10 days	NGK Plug Cap - LB05F Black Product no.: 0195 KD1 022 - NGK Modern LB05F spark plug cap with rubber shrouds - Black finish. - I have found NGK the best and most reliable spark plugs caps you can get , and have been using this type on my road bikes for the last 20 years - they are without doubt the best value for money spark plug cap available and include waterproofing covers. If you are not worried about about ultimate originality then these are the ones to go for! £4.80 * In stock	NGK Plug Cap - LB05F Red Product no.: 0195b KD1 022b - NGK Modern LB05F spark plug cap with rubber shrouds - Red finish. - I have found NGK the best and most reliable spark plugs caps you can get , and have been using this type on my road bikes for the last 20 years - they are without doubt the best value for money spark plug cap available and include waterproofing covers. If you are not worried about about ultimate originality then these are the ones to go for! £4.80 * Not in stock
HT Spark Plug Cap - Modern NGK Rubber Competition/Racing Type Product no.: 0196 KD1 023 - NGK modern LB05EMH competition spark plug caps with resistor to protect against RFI interference - Waterproof and probably the best cap you can use if you are using the bike seriously - but not cheap! - I also include the small nylon tie band that NGK have stopped supplying themselves now! Aug 2023: Now back in stock! £14.00 * In stock