DIY AC CDI ignition for single cylinder [Yamaha XT550-600 SRX600]

Description

AC-CDI Ignition for single cylinder
For engines above 500cc
- This
AC-CDI
replaces your defected one or when genuine ACCDI is no more available or too expensive.
- Cannot replace "Magneto" type ignition
- Cannot replace "DC-CDI" type ignition
- Cannot replace "TCI" type ignition
Be sure of the type prior to order!
Doesn’t need a battery
Highly adaptable.
Can handle different pickups coils
(Yamaha, Honda, Suzuki, Kawasaki, KTM, Zongshen)
Use the first pulse of the pickup signal for HIGH RPM, maximum power.
Use the second pulse of the pickup signal for LOW RPM, idle and easy start.
Works with 1 or 2 pickups.
RPM when ACCDI jump from LOW to HIGH is adjustable by potentiometer RV1
Timing adjustment available for 2 strokes engines. (JP4, JP5)
Pickup sensitivity Low or High (JP1)
2 LED indicators.
Tachometer output 12v negative pulses (see scope snapshot)
Need a working High Voltage charging coil for the capacitor.
(>100Vac)
No rev-limiter (Tested at 20,000rpm)
Comes in 2 models:
ACCDIv2.6 standard
for engine from 50 to 500cc with a 1uf 250v capacitor
or
ACCDIv2.6+
with
50% more spark energy
for bigger engine from 500 to 1000cc with a 1.5uf 400v capacitor and a high quality trimmer.
(Piher brand)
Use only Kill Switch.
If any, connect
Neutral switch
wire to
Neutral indicator
.
If you need “
Side-stand security
” then connect the
Sidestand switch
to the KILL input on this CDI.
Only works with VR pickup (
Variable Reluctance AKA pickup coils
)
Cannot work with Hall sensors or Points.
This ACCDI has been successfully tested on:
Yamaha DT80
Yamaha DT125
Yamaha DTMX125 [2A8/3YV]
Yamaha YZ125 (1987)
Yamaha XT125 (1982-1988) [12V/15E/15W/16A/17T/25A/2YE/3YU]
Yamaha BigWheel 200E (1988)
Yamaha BigWheel 350 (1988)
Yamaha RX135 (2strokes)
Yamaha TW200
Yamaha AG200 (1985-1996)
Yamaha XT200 (1982-1988)
Yamaha XT225 (1983-1987)
Yamaha XT250 (1980-1989)
Yamaha SR250
Yamaha XT350 (1985-1995) [55V/4Y3]
Yamaha Warrior 350
Yamaha SR400 (1978-1999)
Yamaha XT400 (5Y6)
Yamaha SR500 (1978-1999) [4F3/2J2/2J3/4E6]
Yamaha XT550 (1982-1983) [5Y1/5Y2/5Y3/28E]
Yamaha XT600 (1983-1995) [34L/55W/1VJ/3AJ/43F/47N/49H/2KF/2WJ2/3PW1/3PX1/49M/49N/49R/2WK1] [switches 4+5=ON]
Yamaha XT600 (1983-1995) [3PW1/3PX1/49M/49N/49R/2WK1/2WK2/3EN1/3TB kick/3UW kick]
Yamaha TT600 (1983-1997) [36A/59X/3SW/55U]
Yamaha SRX600 (1986-1987) [1XL/1XM/1XW]
Yamaha DTMX125 [2A8/3YV]
Yamaha AG200
Aprilia Climber 280R
Gilera 125
Suzuki GN400, DR400
Suzuki GT500
Suzuki DR650
GY6 Scooters...
Settings
Set the DIP switches (ie 1 on, 2 off, 3 on, 4 on, 5 off, 6 on for XT200)
Turn RV1 at max (position 4) then run the engine at idle, try to revs the bike while SLOWLY lower RV1 until she wants to rev.
(Don't try to start the engine with RV1 at min (=0) otherwise you'll experienced kickback.
PCB with all components already mounted.
Delivered without wires.
- You have to sold wires yourself and add connectors
- or you can reuse the original wires cut from the defective part so you keep the connectors on.
Black and white High impact ABS box
80*50*19mm Plastic enclosure
Protect your CDI even under hard environment.
Protection level: IP54
Good mechanical property.
Each item is tested before shipping.
Be sure to diagnose properly you engine to be sure that the charging coil, the pickup coil, the sparkplug, the sparkplug coil, the harness, the frame connection is 100% OK before ordering a new CDI !
(Due to different providers, components can vary in size, color, shape)