Ignition & Electrical Items
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Boyer Bransden Installation instructions

Boyer Bransden Parts & Wiring

Boyer Bransden Troubleshooting

ANY ALTERATION OF COMPONENTS VOIDS WARRANTEE

Boyer Bransden Electronic Ignition 

The best single modification for XS650s

Boyer Bransden Micro Power Digital Ignition Kit with Coil 

WARNING- SERIOUS HOT SPARK-Will jump 6x gap of stock ignitions. Electronic advance curve

Includes: Coil, mounts, wire, caps, etc. Everything needed for installation. Good grounding a MUST!

Fits all XSs. '80-'84 need cam bushes below.

 #PCVS-3705.... $305.00 each       

650 Central Wiring Loom Adaptors for Boyer

Simplify your Boyer installation with 650 Central's wiring loom adaptors for plug-n-play ease. 

 Points Connector loom Boyer '70-79. #PCEN81-2561... $12.00 ea.      

3G1 Connector loom Boyer '80 ......... #PCEN81-2562.....$12.00 ea.       

 4M4 Connector loom Boyer '81-84 ... #PCEN81-2563. $12.00 ea.       

650 Central Replacement Cam Bushes for Boyer

for '80-84--no seals required.

#PCEN11-55500.... $12.00 /pr.       

 

Ignition Coil for Micro Power Ignition

.6 ohm spare for above-Only for Micro Power- NOT for Micro-Digital or Analog.

 #PCVS-3586B... $130.00 ea.      

Control Box for Micro Power Ignition

Spare for Boyer Micro Power twins- NOT for Micro-Digital or Analog.

#PCVS-3700B..... $159.95 ea.       

High Tension Boot & Clip for Micro Power Coil

These are needed when replacing your Boyer HT leads. Sold each.

#PCVS-3586D..... $4.95 ea.       

 

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Breaker Point Sets

Left or right side. 70-79

#PSUD61-6209.... $9.00 ea.       

Condenser

r

Fits '70-79

 #PMXS26-5114 ..... $14.25 ea.  

 

Advance Unit Spring Set

Stock, replacement advance unit springs and E-clips.
 
Fits all years with points.

#PMXS14-0651 ..... $9.00/set        

NGK Sparkplugs

Genuine NGK brand sparkplugs.
No tune-up is complete without them.
 

Factory Recommendation

XS1, XS2, TX650 & TX650A use B8ES.
All 1975 (B) and later use BP7ES.
 

650 Central recommends BP7ES for all models

NOTE: Plugs are sold 2 at a time and are $5.90 for the pair.

BP7ES/pr   #PMAR38-1090..... $5.90/pr.

NGK Gold Palladium Spark Plugs

Gold Palladium electrodes are only 1.0mm, lowering voltage requirement.
Improves efficiency, increases ignitability and durability
Higher resistance to fouling and less quench effect.
Better starting performance.
An easy upgrade for stock ignitions.
650 Central recommends these for all XS650s

NOTE: Plugs are sold 2 at a time and are $15.00 for the pair

BP7EV/pr   #PDIX05-0182..... $15.00/pr.    

 NGK Iridium Spark Plugs

Iridium electrodes are only .8mm, lowering voltage requirement.
Improves efficiency, increases ignitability and durability
Higher resistance to fouling and less quench effect.
Better starting performance.
Adds 2 HP regardless of ignition system.
650 Central recommends these for all XS650s

NOTE: Plugs are sold 2 at a time and are $23.00 for the pair

BPR7EIX/pr   #PMAR38-1094..... $23.00/pr. 

Now for the around town cruisers, the same Iridium benefits in a warmer plug, still OK for highway use.

BPR6EIX/pr   #PMAR38-1093..... $23.00/pr.    

 

Spark Plug Indexing Washers

Set of 8: 2 each size      #PMAR11-4488.... $8.95/set 

NGK Spark Plug Boots

NGK brand, 90 degree bend, replace those old
worn plug caps in minutes. 5K ohm, terminal (stock) type

#PMAR23-3113 ..... $3.50 each 

Spark Plug Wires

(2) 7mm Hypalon copper core, non-resistor replacement spark plug wires. Black PVC outer cover.

 

#PSAS73-4803..... $5.00 /pr 

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COILS

    

  Street            Racing

Wiring Diagram & parts list for dual fire coils and POINTS

ACCEL Super Coils

12 volt, 3.0 ohm resistance. Single coil with dual leads.
Works on the electronically triggered ignition systems. 2 kits shown.


NOTE:  Not for use with the Boyer Bransden ignition.

#PMCS31-8119.... $122.50 each     

650 Central's "Kung  Fu" Dual Fire Coil

Works on the 1980 and up electronically triggered ignition systems.
A low cost replacement for that weak, stock Yamaha coil.
A direct bolt in unit that fits nicely under the fuel tank on 80 and up.
2.5 Ohms primary resistance. Not as hot as the ACCEL coil but it is
 a good, low cost alternative to the ACCEL or new (weak) TCI coil. For TCI ONLY, NOT for points.
We recommend replacing your plug wires and spark plug boots along with
the installation of this coil to maximize the benefit of this hotter unit.
NOTE:  Not for use with the Boyer Bransden ignition.

#POSCS-BB006.... $39.95 ea.        

High Performance Oil-Filled Points Coils


Superior oil-filled type design, 12 volt replacement ignition coil for hot sparks.
Upgrade your '70-79 with a bolt-in,  much hotter coil. 4.8 ohm primary.
Uses ring type connectors. Adapter kit available below
New HT nuts are included, along with mounting hardware.
Does not include plug wires or caps, order separately.
Warning: DO NOT over-tighten clamps. Sold each, order 2!

H-P Coil  #PMAR61-8140..... $32.00 each      

Wire kit for 2 coils  #PCEN81-2555..... $12.00 each       

Standard Points Coils
m618-140.jpg (7687 bytes)
OEM type design, 12 volt replacement ignition coil.
Fits '70-79, with easy replacement, direct-fit,  factory type stud mounting.
Put the spark back in your XS!
Does not include plug wires or caps, order separately.
Sold each, order 2!

   #PMXS17-6805..... $28.50 each       

Ignition Switch

A clean little panel mount 2 position OFF/ON Ignition switch
with 4 pin plug and 2 keys. For custom installation. 1" hole.
#HMAR21-3230........$19.95

 

Ignition Switch


With fork lock and keys. Fits '78-84

#HKNL21-5209..... $34.00 ea.