Part # EDL-BOIGN
New Product Introduction !
EnDuraSpark Ignition System for Bosch Alternators !
If you have the EnDuraLast Charging System installed, see EDL-IGN
IMPORTANT NOTE: If you have the large mechanical voltage regulator installed you will need to replace it with a smaller voltage regulator to be able to mount the ignition module and voltage regulator.
Choose the VR-ExtAdj option to add the smaller adjustable voltage regulator free of charge.Vehicle Manufacturer: BMW Application: Retrofits 1970-1995Make/Model: BMW : Model 247, AirheadModel Years: 1970-1995Vehicle Mfg. Part #: Not available from dealerBrand:
This EnDuraSpark Electronic Ignition kit is designed for 1970-1980 BMW points–based ignition motorcycles with Bosch 3-Phase Charging Systems.
This kit is designed for both stock single-plugged engines and engines which have been modified to add a second spark plug to each cylinder, “dual-plugged” engines.
The kit can be used on BMW Airheads with exposed points under the front engine cover:
· All /5s (1969-1973 R50/5, R60/5 and R75/5)
· All /6s (1973-1976 R60/6, R75/6, R90/6 and R90S)
· Some /7s (all R60/7, all R75/7, R80/7 and R100/7 up to 1978)
· R100S, R100T, R100RS, R100RT up to 1978
and BMW 1979-1980 Airheads with points in the "bean can":
· 1979 R100S,
· 1979-1980 R80/7, R100S, R100T, R100RS, R100RT
· All R45, R65 up to 1980
· 1980 R80G/S, R100, R100CS
The EnDuraSpark Electronic ignition should be used with stock spark plugs, stock ignition wires, and stock ignition caps. For spark plugs, this means non-resistor plugs. Bosch has phased out their original non-resistor W5DC, W6DC and W7DC spark plugs and replaced them with WR5DC, WR6DC and WR7DC plugs, respectively. These are resistor plugs not compatible for this application. Currently, Bosch non-resistor spark plugs can only be purchased at BMW motorcycle dealers.
The EnDuraSpark Electronic ignition is compatible with the OEM stock 1K Bosch, 1.2K Beru, and 5K Bosch spark plug caps that originally came on the motorcycle. It is also compatible with any 1K or 5K aftermarket spark plug caps such as the NGK LB01FP, LB05FP or LB05EP.
The EnDuraSpark Electronic ignition is compatible with the OEM stock ignition wires that were originally outfitted on BMW Airheads. These are Hypalon covered, stranded copper core, non-resistor ignition wires with a resistance of about 2 ohms per foot. The ignition is also compatible with Hypalon or silicon insulated stranded copper aftermarket wires, such as that manufactured by Accel, Belden, and Packard.
It is important that copper core wires are used, not the carbon powder center ones normally sold at auto parts stores.
The EnDuraSpark Electronic ignition is compatible with all stock BMW ignition coils used on models using points and condensers. Specifically, the EnDuraSpark can be used with ignition coils that have a primary resistance seen by the electronics between 2 -3 ohms. Since both stock Airheads and dual-plugged Airheads use two coils wired in series, each of these coils needs a primary resistance of 1 to 1.5 ohms.
The EME ignition is NOT compatible with conventional electronic ignition coils, which typically have a primary resistance of around .7 ohms. These coils will fry the EnDuraSpark ignition. The older black Bosch coils and the newer electronic black Bosch coils look almost the same – except the electronic ignition coils (which can’t be used) have a small yellow lightning icon on them.
The optimal replacement coils available for use with the EnDuraSpark Electronic Ignition are the Bosch 6V 1.5 ohm “Super” coils, part # BO-Coil/6Vx2 available from Euro MotoElectrics.
Single Plugged Engine using 2 Coils wired in Series (stock configuration)
Stock BMW points & condenser coils from 1970-1980
Black coil BMW #: 12 13 1 351 584 Bosch part #: 0 221 100 022 (/5)
Black coil BMW #: 12 13 1 243 452 Bosch part #: 0 221 101 003 (/6, /7, early 100)
Black coil BMW #: 12 13 1 244 142 & 02-21 100 028 (R80RT, R100/T, CS, RS, RT)
Bosch Super “Blue” 6V single tower coil (NLA)
Bosch Super 6V single tower coil , Brazilian "silver" (EME part # BO-Coil/6Vx2)
Any coil from any 1981+ BMW motorcycle, including all Oilheads, Airheads, K-bikes Any coil from a stock BMW transistorized ignition.
Single -Plugged Engine using a Single Two Tower Aftermarket Coil
Accel 140403S 3.0 ohm dual-tower coil
Dyna Dual-tower DC1-1: 3.0 ohms "Green"
Accel 140404S .7 ohm dual-tower coil
Dyna Single-tower DC9-4: .7 ohm "blue"
Dyna Single-tower DC10-1: 5.0 ohms "black"
Dual -Plugged Engine using Two, Two Tower Aftermarket Coils in Series
Dyna Dual-tower DC2-1: 1.5 ohms (2 in package) "brown"
Dyna Dual-tower DC5-1: 1.5 ohms (1 in package) "brown"
Accel 140404S .7 ohms dual-tower coil
Dyna Dual-tower DC9-1: .7 ohms "blue"
Dyna Dual-tower DC4-1: 2.2 ohms "gray"
Dyna Dual-tower DC1-1 & DC6-1: 3.0 ohms "green"
Dyna Dual-tower DC7 & & DC8-1: 5.0 ohms "black"
Dyna Four-tower DC9-2: .7 ohms
Dual -Plugged Engine using Two, Two Tower Aftermarket Coils in Parallel
Accel 140403S .7 ohms dual-tower coil
This kit Part # EDL-BOIGN is for fitment over the Bosch Alternator frame.
1. Can the EnDuraLast Ignition be used with a…
· BMW /2?
· Moto Guzzi or other non-BMW motorcycle
· BMW Oilhead, Hexhead, or K-bike?
· “bean can” bike?
· BMW with factory electronic ignition?
· Omega alternator?
No. The model year must be 1970-1980.
Yes, for model years up to 1980.
Some, only years 1979-1980.
No. Euro MotoElectrics has a slightly differentversion for these models.
2. Can the stock ignition system be left on the bike?
3. Is it easy to switch back to the stock ignition?
Yes, five minutes.
4. Can I use my existing coils?
Yes, if stock.
5. Can I use a “hotter” coil?
No. The primary resistance of the two coils in series must be 2-3 ohms.
6. Can I use my existing spark plugs?
7. Is a condenser used?
8. Can carburetors be synchronized by shorting the spark plug caps?
Yes, but the caps must always be grounded to something.
9. Does it hurt to leave the ignition key on with the engine not running?
10. Can I change the amount of electronic ignition `advance?
No. You may select 20° or 26°
11. Can I change the initial timing?
Not really. The initial timing or the final timing can be set, but not both independently since the total advance range between them is fixed. Timing should be adjusted to make the advanced timing perfect, letting the initial timing fall where it may, generally 8°.
12. Can I change the maximum advance value?
Yes, it can be set anywhere.
13. Can I adjust the ignition curves?
14. What is the dwell?
The system has a variable dwell. The system provides a constant 4ms dwell time independent of RPM.
15. Can the dwell be adjusted?
No. There is no need. Dwell is dynamic, optimized at each RPM.
16. At what RPM does the electronic advance operate?
1000 – 3800 RPM for single-plugged engines, 1000-3000 for dual-plugged engines..
17. Can the advance start and stop RPMs be changed?
18. Are special tools needed for installation?
No. A strobe timing light and an in-lb torque wrench are optional.
19. When the removing the flywheel, the crankshaft must be blocked from moving forward. This prevents the thrust washer on the crank inside the engine from slipping off its locating pins. How do you block the crankshaft when the EnDuraLast Ignition has been added to the front of the crank?
Simply back out the rotor bolt a half an inch and replace the front cover. Gently tighten down on the cover bolts. The cover will push on the rotor bolt, keeping the crankshaft from moving forward.
BMW R Airhead with Bosch 3-Phase Charging System
Completely replaces BMW Ignition / Canister
Crank-mounted trigger eliminates
· Two spark advance curves
o BMW - single spark plug
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