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post #1 of 8 (permalink) Old 06-22-2010, 01:27 PM Thread Starter
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CDI specs

Hi, i just picked up a 92 and cant get it to start; even with starting fluid, compression is good. It has spark but when i check ohms on the CDI several specs are way off. Also on the flywheel, wich timing mark should line up with the pointer (going off front cyl) the first line, the sideways "T" or the "F"? right now its a few degrees before the first line.

thanks
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post #2 of 8 (permalink) Old 06-22-2010, 04:52 PM
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Timing mark for the front cyl is the line in front of the "T". When you say it won't start, are you getting anything at all? A click from the starter solenoid? Dash lights? Any attempt by the starter to turn over?

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post #3 of 8 (permalink) Old 06-22-2010, 11:56 PM
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Quote:
Originally Posted by rdzombie View Post
Hi, i just picked up a 92 and cant get it to start; even with starting fluid, compression is good. It has spark but when i check ohms on the CDI several specs are way off. Also on the flywheel, wich timing mark should line up with the pointer (going off front cyl) the first line, the sideways "T" or the "F"? right now its a few degrees before the first line.

thanks
What kind and how old is the battery, with a weak battery it will turn over but won't start.


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REBUILT ENGINE
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EAR SHAVED AND RE-JETTED W/K&N'S
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SPLINES LUBED
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COASTERD
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PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
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post #4 of 8 (permalink) Old 06-23-2010, 12:15 AM
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Quote:
Originally Posted by rdzombie View Post
Hi, i just picked up a 92 and cant get it to start; even with starting fluid, compression is good. It has spark but when i check ohms on the CDI several specs are way off. Also on the flywheel, wich timing mark should line up with the pointer (going off front cyl) the first line, the sideways "T" or the "F"? right now its a few degrees before the first line.

thanks
If it has not been tampered with the timing should be ok. Second thing the bikes are not CDI They are TCI (Transistor Controlled Ignition) It basically works like inductive pickup except instead of being controlled directly by the pickups. The pickups control transistors that feed ground to the coils.


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post #5 of 8 (permalink) Old 06-23-2010, 12:21 AM
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Ron is right just because you have spark doesen't mean it is strong enough to ignite the air fuel mixture. Check voltage at the coils while cranking.


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Keep the shiny side up
coastered
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jetted 42-150 2 shims
Earshaved with unifilters
inside of tank coated
spline lube
long Beach Blue Pearl Paint 4/07
Shindengen FH012AA r/r
TPE stator
Exide sc30lfa Battery 28ah 445cca
Saddlemen saddlebags
2001 HD fatboy solo seat
Custom taillight & rear turn signals
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post #6 of 8 (permalink) Old 06-23-2010, 12:56 AM
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Actualy it is CDI "Capacitive Discharge Ignition" it uses a capacitor to emit a quick burst of High Voltage current, the ignition coil is charged by the capacitor. Yes!! The CDI module is transitor controlled.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

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Last edited by lance328; 06-23-2010 at 04:16 AM.
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post #7 of 8 (permalink) Old 06-23-2010, 03:43 AM
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Quote:
Actualy it is CDI "Capacitive Discharge Ignition" it uses a capacitor to emit a quick burst of High Voltage current, the ignition coil is the capacitor. Yes!! The CDI module is transitor controlled.
Are you serious? As vulcanjoe said, it is not CDI. A CDI uses low resistance coils (less than 1ohm) and the other end of the primary winding is connected to ground.
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post #8 of 8 (permalink) Old 06-23-2010, 07:04 AM
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Quote:
Originally Posted by pappa View Post
Are you serious? As vulcanjoe said, it is not CDI. A CDI uses low resistance coils (less than 1ohm) and the other end of the primary winding is connected to ground.
Not in the least, messin with Joe.


85 VN700 "Old Yella"

REBUILT ENGINE
CUSTOM PAINT
VANCE & HINES CRUZERS
EAR SHAVED AND RE-JETTED W/K&N'S
DUNLOP ELITE K591 FRONT & REAR
VOLTMETER
SYNTHETIC BRAKE FLUID
SYNTHETIC OIL & GEAR LUBE
PLEXISTAR 2 WINDSHIELD
SPLINES LUBED
ACCT'S GREASED W/TOC SPRINGS
COASTERD
LEATHER SADDLE BAGS
LEATHER TOOL AND ROLL BAG
PICKUP COILS GAPPED AT .018"
NGK CAP, WIRES, IRIDUMS
BARNETT FRICTION PLATES & SPRINGS
CUSTOM GRIPS, MIRRORS, LEVERS
ORIGINAL STATOR & R/R 14.5v
DEKA MF AGM ETX15L

Best Auto/Moto Insurance | Motorcycle Protection Today | FREE Trade-In Quote
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