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Electronic Ignition Kits

Boyer Bransden Electronic Ignition Kits - Over 40 years Proven Performance

In 1969 Ernie Bransden designed and patented a miniature electronic ignition that was a fraction of the
size and far more efficient than any of its competitors. Since that time various electronic ignitions and
manufacturers have come and gone, but Boyer Bransden have been in constant production.

Today, Boyer Bransden produce one of the most efficient ignition systems in the world. All systems
are carefully hand built in the UK under the ethos of supplying hardy products that last.

British Spares Ltd offer full testing facilities, spares back up, and warranty claims processing for
Boyer Bransden ignition systems and components.

Triumph and BSA Electronic Ignition Kits

BY10
Boyer Bransden MkIV Ignition Kit
Triumph & BSA Unit Construction Twins
Timing Cover Points Housing  (KIT00052)
$222.53 (NZ)
BY10
Boyer Bransden MkIV Ignition Kit
Triumph & BSA Unit Construction Twins
Timing Cover Points Housing  (KIT00052)


Suits 12volt unit construction Triumph and BSA twin cylinder models that were originally fitted with a points plate in the timing cover. May also be fitted to magneto equiped pre-unit models by the addition of our MAG1 magneto replacement housing. Best practice is to use 2 x 6volt coils CL6 or fit our twin lead 12volt coil CL12T

BY11
Boyer Bransden MkIV Ignition Kit
Triumph and BSA Triples  (KIT00054)
$211.14 (NZ)
BY11
Boyer Bransden MkIV Ignition Kit
Triumph and BSA Triples  (KIT00054)


Triples were made to have Boyer Bransden ignition systems, and vice versa. Just ask anyone who has tried to keep 3 sets of points gapped and timed correctly for longer than a trip down to the dairy...that's the origin of the phrase "triple trouble"...Electronic ignition kits take all the fiddling and guesswork away, and once they're set up the first time, it's job done. Perfect spark and timing stays spot on with no maintenance required. Best practice is to fit 3 x 4volt coils, but they also work fine with 3 x 6volt CL6 coils.

BY13
Boyer Bransden MkIV Ignition Kit
Triumph and BSA Unit Singles 12volt  (KIT00051)
$211.14 (NZ)
BY13
Boyer Bransden MkIV Ignition Kit
Triumph and BSA Unit Singles 12volt  (KIT00051)


Fits Triumph and BSA unit construction 12volt singles with original points plate located on timing cover.

BY14
Boyer Bransden Alternator Ignition Kit
Norton Triumph & BSA Twins
$381.57 (NZ)
BY14
Boyer Bransden Alternator Ignition Kit
Norton Triumph & BSA Twins


This kit is used on competition machines not using a battery or any other electrical loadings (lights etc.) It runs directly off a single phase AC Lucas alternator with no requirement for rectification or regulation. 2 x 6 volt CL6 coils or 1 x 12 volt CL12T coils may be used.

BY36
Boyer Bransden MkIV Ignition Kit
BSA C15 B40, Triumph T20 12v Dist.  (KIT00059)
$227.01 (NZ)
BY36
Boyer Bransden MkIV Ignition Kit
BSA C15 B40, Triumph T20 12v Dist.  (KIT00059)


This kit is for BSA and Triumph unit construction singles originally fitted with Lucas 18D1 distributors that have been converted to 12volt electrics. The rotor and trigger plate are fitted within the original distributor housing to maintain the original look of the motorcycle.

BY37
Boyer Bransden MkIV Ignition Kit
BSA C15 B40, Triumph T20 6v Dist.  (KIT00079)
$241.51 (NZ)
BY37
Boyer Bransden MkIV Ignition Kit
BSA C15 B40, Triumph T20 6v Dist.  (KIT00079)


This kit is for BSA and Triumph unit construction singles originally fitted with Lucas 18D1 distributors and still operating 6volt electrics. The rotor and trigger plate are fitted within the original distributor housing to maintain the original look of the motorcycle.

BY38
Boyer Bransden MkIV Ignition Kit
Triumph and BSA Unit Singles 6volt (KIT000tba)
$241.51 (NZ)
BY38
Boyer Bransden MkIV Ignition Kit
Triumph and BSA Unit Singles 6volt (KIT000tba)


Fits Triumph and BSA unit construction 6volt singles with original points plate located on timing cover.

BY39
Boyer Bransden Alternator Ignition Kit
Triumph and BSA Triples
$386.41 (NZ)
BY39
Boyer Bransden Alternator Ignition Kit
Triumph and BSA Triples


This kit is used on competition machines not using a battery or any other electrical loadings (lights etc.) It runs directly off a single phase AC Lucas alternator with no requirement for rectification or regulation. 3 x 6 volt CL6  coils may be used.

BY45
Boyer Bransden Alternator Ignition Kit
Triumph BSA Singles, Side Points  (KIT00066)
$391.23 (NZ)
BY45
Boyer Bransden Alternator Ignition Kit
Triumph BSA Singles, Side Points  (KIT00066)


Suits Triumph T20 and T25, BSA C15 C25 B25 B40 B44 B50 models.This kit is used on competition machines not using a battery or any other electrical loadings (lights etc.) It runs directly off a single phase AC Lucas alternator with no requirement for rectification or regulation. Use CL12 coil

Norton Electronic Ignition Kits

BY12
Boyer Bransden MkIV Ignition Kit
Norton Twins 12volt  (KIT00053)
$222.53 (NZ)
BY12
Boyer Bransden MkIV Ignition Kit
Norton Twins 12volt  (KIT00053)


Suits 12 volt Norton Twins originally fitted with coil ignition and points plate located on end of camshaft. Also fits models with points plate mounted behind motor using original points housing or magnetos replaced with our MAG1 housing. Coils are wired together in series so best practice is to use two 6 volt coils, CL6, or one twin lead 12 volt coil, CL12T

BY12MP
Boyer Bransden Micro-Power Ignition Kit
Norton Twins 12 volt  (KIT00284)
$422.62 (NZ)
BY12MP
Boyer Bransden Micro-Power Ignition Kit
Norton Twins 12 volt  (KIT00284)


Micro-Power Ignition Kit is designed to work with the special twin output digital power ignition coil included in the kit. Timing is advanced electronically by a microprocessor which can compute more than a million decisions every second to constantly monitor engine speed and time the spark precisely to suit. Ideal for use on classic racing machines where high performance and low current consumption are required.

BY14
Boyer Bransden Alternator Ignition Kit
Norton Triumph & BSA Twins
$381.57 (NZ)
BY14
Boyer Bransden Alternator Ignition Kit
Norton Triumph & BSA Twins


This kit is used on competition machines not using a battery or any other electrical loadings (lights etc.) It runs directly off a single phase AC Lucas alternator with no requirement for rectification or regulation. 2 x 6 volt CL6 coils or 1 x 12 volt CL12T coils may be used.

Electronic Ignition Kits for Other Brands

BY23MD
BOYER IGN KIT,BMW PRE 1979
$278.78 (NZ)
BY23MD
BOYER IGN KIT,BMW PRE 1979


under construction

BY28
BOYER IGN KIT,SUZUKI GS400/450
$217.35 (NZ)
BY28
BOYER IGN KIT,SUZUKI GS400/450


under construction

BY30MD
BOYER IGN KIT,BMW 79-80
$347.76 (NZ)
BY30MD
BOYER IGN KIT,BMW 79-80


under construction

BY48MP
BOYER IGN KIT,YAM XS650,M-POWER,INC COIL
$458.86 (NZ)
BY48MP
BOYER IGN KIT,YAM XS650,M-POWER,INC COIL


under construction

BY51
BOYER IGN KIT,ENFIELD BULLET 350/500
$259.37 (NZ)
BY51
BOYER IGN KIT,ENFIELD BULLET 350/500


under construction


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