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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.

 #CV-3705.... $275.00  Quantity:        

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. #CEN81-2561... $6.00  Quantity:      

3G1 Connector loom Boyer '80 ......... #CEN81-2562.....$6.00  Quantity:      

 4M4 Connector loom Boyer '81-84 ... #CEN81-2563. $10.00  Quantity:      

650 Central Replacement Cam Bushes for Boyer

for '80-84--no seals required.

#CEN11-55500.... $12.00 /pr.  Quantity:      

 

Ignition Coil for Micro Power Ignition

.6 ohm spare for above

 #CV-3586B... $120.00 Quantity:      

Control Box for Micro Power Ignition

Spare for above

#CV-3587..... $149.95  Quantity:      

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Breaker Point Sets
 Left or right side. 70-79

#DX20-0268..... $9.00 each  Quantity:      

Condenser

r

Fits '70-79

 #MXS26-5114 ..... $10.00  Quantity:      

 

Advance Unit Spring Set

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

#MXS14-0651 ..... $8.00  Quantity:      

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   #MCS31-21034..... $5.90  Quantity: PAIR

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   #DX05-0182..... $15.00  Quantity: PAIR

 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 $20.00 for the pair

BRP7EIX/pr   #MCS31-24055..... $20.00  Quantity: PAIR

 

Spark Plug Indexing Washers

Set of 8: 2 each size      #MAR11-4488.... $8.95  Quantity: Set of 8

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

#MCS3121319 ..... $3.50 each  Quantity:  

Spark Plug Wires

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

 

#SAS734803..... $5.00 /pr  Quantity: Pair

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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.

#MCS31-81191.... $104.95 each  Quantity:      

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.

#OSCS-BB006.... $36.95   Quantity:      

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  #MAR61-8140..... $30.00 each  Quantity:      

Wire kit for 2 coils  #CEN81-2555..... $8.00 each  Quantity:      

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 boots, order separately.
Sold each, order 2!

#MXS17-6805..... $20.00 each  Quantity:      

 

Ignition Switch


With fork lock and keys. Fits '78-84

#KL21-5209..... $28.00  Quantity: