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Old 11-06-2010, 03:28 PM   #1 (permalink)
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80 panther stator test

Does anyone have the values to test the stator in a 1980 panther 440 there is a red, white, and black wire from the stator. please help no spark
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Old 11-07-2010, 10:44 AM   #2 (permalink)
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Unplug the main harness from the engine and this will bypass all your switches and see if you get spark, if not, put a jumper on the black and brown wires.
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Old 11-07-2010, 07:22 PM   #3 (permalink)
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Yep could be just a bad kill switch, this will bypass all of them! Blaine1 might have the stats!
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Old 11-08-2010, 05:20 AM   #4 (permalink)
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Originally Posted by kccats View Post
Yep could be just a bad kill switch, this will bypass all of them! Blaine1 might have the stats!
Yes unhooked harness at engine and jumped it got spark, then worked way back and found that it was the key ignition that went bad, so bypassed and good to go, still have kill switch and tss. By the way found stator values in case someone else needs them

1980 panther 440 stator test --
white to red 1.8 ohms
red to black 134 "
green to ground 28.4 "
brown to ground 0 -continuity

Thanks KC & RJ
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Old 11-08-2010, 08:33 PM   #5 (permalink)
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hey im having the same problem how do you jump your 2 wires?
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Old 11-08-2010, 08:55 PM   #6 (permalink)
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Use a short piece of wire with some terminals crimped on it.
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'90 Wildcat Project in progress.

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1980 AC Pantera (donor engine to the 90 wildcat)


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Old 11-09-2010, 06:16 AM   #7 (permalink)
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hey im having the same problem how do you jump your 2 wires?
I put a jumper wire between brown and black on the 4 wire plug on engine, if you have spark then the trouble is in harness or switches somewhere. If not the stator specs are there to troubleshoot stator.
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Old 11-09-2010, 01:05 PM   #8 (permalink)
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Closed Ignition: Primarily Pre-1998
A "Closed" ignition means the wiring needs to have a closed circuit in order to run. If the connection to any switch; key, kill, tether, throttle safety switch, etc.. is interrupted there will no longer be power to the ignition system and spark will cease. All Cats 1997 and earlier run a closed ignition, with the exception of the 1997 ZR 580 that is an open ignition.
Diagnosing no spark, weak spark or intermittent spark issues
First you want to see if it an issue in the switches/handlebars or if it is in the primary ignition components: stator, cdi, coils, trigger coil or possibly plugs, plug wires or plug caps.
1. First unthread the spark plugs out of the cylinder heads, put the spark plugs in the spark plug boots and lay them on a cylinder head bolt so they are grounded. Make sure the plugs are not near the spark plug holes when you pull it over.
2. Pull the recoil rope checking the spark at the plug. Is there spark at each spark plug? Is the spark blue (indicating a strong spark) or is it yellow (indicating a “weak” spark). If you have nice blue spark on one plug or two plugs (if it is a triple) and not the others, it may be as simple as having a bad/fouled out plug. Try replacing the non-sparking spark plug/plugs with new a new plug.
3. The next step is pretty much the same if you had no spark or a weak spark. On the “Closed” ignition you unplug the connector from the stator containing the yellow wires. This connector sends the power to the lights, hand warmers and tachometer. When you unplug this connector you need to put a wire connecting the 2 “non yellow” wires together in the connector. This completes the electrical circuit which is needed to check for spark. By putting this jumper wire between the 2 non yellow wires you are bypassing all of your switches (Throttle Safety Switch, Kill, tether ect..) all of your lights and hand warmers ect..in your handlebars. Pull the recoil over and see if you have spark or if the previous yellow weak spark is now blue. Carbureted models can be started and run with this 4-prong connector unplugged and the jumper wire in it but you won’t have lights ect..as mentioned before. If you have an EFI, you can only check for spark and it will not start or run with it unplugged. You need it plugged in to power your fuel pump. You can hook up a battery to the fuel pump and start it.
4. If there’s no spark and by unplugging the 4-prong connector and using the jumper wire and you now have spark, there is something shorted out in your switches like the tether, throttle safety switch or kill switch. If you had weak spark and now have blue spark it also tells you that you have a short with one of your switches. Again likely culprits are the TSS, tether or kill switch. There is a 3 prong connector in your handlebars that if you unplug and jump the 2 outside prongs it will bypass your kill and TSS switch and you will only be able to start and turn off your sled with the key. The 3 prong connector is usually not by the thumb throttle but rather just a little bit down the steering shaft about at the point where the console containing the key switch is located. If you’re not sure which connector it is, just follow the group of wires out of the right handlebar area where the TSS and Kill switch are located down to where the plug is located. There are a few other plugs by the handlebar on the right side by the thumb throttle, but they contain yellow wires and are for your hand warmers and thumb warmer. You also need to bypass the tether. You can just cut the wires in the back of the tether and splice the wires together which "completes" the circuit and bypasses the tether.
5. If after unplugging the 4-plug switch and using the jumper wire you still do not have spark or the spark continues to look weak this tells you that the problem is in the major ignition components like the stator, coils, cdi, spark plugs, spark plug wires or trigger coil.
6. The first thing to check are the connections from the stator to the cdi. Make sure all connections are free of moisture, are tight and use a little bit of dielectric grease on it. Check the ground. You should have a ground wire coming from your stator and your CDI/ECU box. Make sure the grounds are clean, tight and that the ground wires are not broken. Sometimes the ground wire is pinched and broken inside the eyelet connection and is making only intermittent if any connection. Some older model Arctic Cats have the ground up closer to the handle bars on what some would consider the “firewall” of the sled and they are notorious for rusting/corroding out badly.
7. If all connections are solid and the ground checks good then you start electrically checking components. Most twin triggers are 90 ohms and most triples are 175 ohms. View my “testing a pulser/trigger coil” on youtube. It is very easy and quick to test. The frustrating part about the trigger coil is that it can test good, but still be bad.
8. Next you want to test the stator itself. View my “How to test a stator” video on youtube. I have 3 separate tests using the 3 main plugs used on carb and EFI 1990’s model stators.
9. If you continue to have no spark/weak spark and your trigger tests ok then we may be looking at a secondary coil issue. First you want to make sure the spark plug caps are on tight. They just screw on and off the spark plug wire. If your wires are long enough unscrew the spark plug caps, trim a inch off the end of the wire and then screw the spark plug cap back on. Also, some spark plug wires unscrew from the coil itself. I had 2 sets of coils go “bad” on my sled. My triple coils showed 1 spark plug with extraordinary blue spark and the other 2 plugs were weak/yellow-ish in color. After I trimmed them and screwed them back together they ran perfect. Warn spark plug ends usually cause a miss or acts like a rev limiter. Be warned though that I did have one wire that would not unscrew from a coil (That should have) no matter how hard I tried to turn it and I ended up just tearing the spark plug wire. Also, always check the spark plug gap and set it to the correct specifications. Here is a general rule of thumb for putting spark plug wires on which cylinder for Cats:
Most sleds fire all the plugs at the same time, multiple times per revolution. A twin will fire both wires twice each revolution, a triple three times (once per 120 degrees because every 120 degrees one of the pistons is at TDC). One of the pulses fires the plug to ignite the fuel/air mix, the other times the pulses are "lost" as the plug fires with the piston not ready for the fuel to burn. That prevents having to have a complex distributor of some kind to route the electricity to the cylinder that needs it. On those types of ignitions, firing order (which spark plug wire goes on which spark plug) is not important.
10. If you have no spark and your trigger tests ok, your stator tests ok and you have trimmed the plug wires then we’re looking at a possible bad CDI box There is no real good way to test the CDI other than swapping the box out with a known good CDI box.
11. Specificly on Battery EFI sleds here is another thing to check. There can be a bad relay on the back of the ecu. There are 2 of them back there 1 for the spark and 1 for the fuel pump.
12. Also, bad reeds on a sled will cause it to back fire and run poorly acting like it is an electrical issue.
13. Sled won’t shut off condition: It is usually a bad ground/broken ground wire. Sometimes it is moisture in the connector from the stator to the CDI. My kill switch got moisture in it and wouldn’t shut off so I unplugged my TSS/Kill 3 prong plug in my handlebars and used just the key (closed ignitions need to have the jumper wire). You could have a cdi with an internal short. A bad stator can also cause a machine to not shut off.
14.Other issues that I have seen/read that have caused a no spark/bad running issue:
A. Guy bought a used sled with the wrong flywheel on it.
B. Frayed wires somewhere in the wiring harness or under the seat were causing a short
C. Guy said sled was only running on one cylinder. He removed one spark plug wire and it didn’t effect the way the sled ran. His low side coil on his stator read 360 ohms and it should have measured 450 ohms. His low side coil was dying.
D. 96 ZRT would run like crap if the carbs weren't synced right
E. After I replaced the trigger coil last year, I did not route the red/white wire good (Wire coming from the stator to the CDI). It laid against the crankshaft, rubbed the insulation off and exposed 1 tiny strand of wire! I cleaned the wire and put 2 shrink tubes on it. Then RE-ROUTED the wire to fix it.
F. Hood harness was routed between rewind/stator housing and frame and had 4 wires smashed. Repaired wires and runs perfect.
G. Got it running again tapped the ECU and died. Pulled the ECU cover off and found some corrosion
H. I had a 580 that did not spark all the time and it was a bad ground wire from the ECU/CDI box. The factory has them grounded through the steering column support which is bolted to the chassis and over time the bolts get rusted and it loses its ground.
I. Bolt for the recoil cup broke off and hit the trigger coil, bent the bracket slightly and gave it too much airgap
J. Oil injection turned up too high
K. Fuel Lines hooked up backwards
L. I once saw a guy who had just swapped out motors and the jetting was way too lean. The sled would start and idle but if you pinned the throttle the sled would bog and quit running. By using the choke we were able to determine that it ran better when you hit the throttle and after jetting up it ran good.
M. Sheared Timing key
N. Crank out of Phase will cause it to run very poorly.
O. Too much dielectric grease in the trigger connector caused sled to bog.
P. Bad TPS Switch/TPS wires shorting/grounded
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Testing Cat triple stators
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Stator Testing ZR/ZL 1998-1999 500 & 600 Carburated
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Stator Testing ZR/ZL 1998-1999 500 & 600 EFI
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Stator Testing Early 1990's 700 & 580 EFI with the triangular 3 prong connector
http://www.youtube.com/watch?v=jbxhExP-2P0

Jumper wire bypass
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Old 10-31-2011, 01:32 PM   #9 (permalink)
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Hello dof chow..i have a 1980 trail cat 4000. I need the stator specifications for this sled..where did you find yours? could i find mine there? Help...I have random electrical problems..when i unplug the headlight and the tail light my sled runs much better than with them pluged in???? even better is when i unplug the voltage regulator..sled runs great but this is not the way to go since my hand warmers got HOT...no regulated voltage could cause problems......i need to check out my stator...
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Old 11-01-2011, 01:06 PM   #10 (permalink)
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try these I'm unsure if there the same. What color wires come out of the plug on engine side. Have you looked to make sure your ground is good on your regulator (heatsink to frame) no loose conections anywhere and check your engine to frame ground as well?

81 Panther Specs:
Ignition coil primary - white/blue to black .33 ohms +/- 15%
Ignition coil secondary - high tension to high tension 3500 ohms +/- 20%
Spark Plug cap - 5000 ohms +/- 20%
Magneto coils - red to black 148.5 ohms +/- 10%
white to red 1.9 ohms +/- 10%
green to ground 31.2 ohms +/- 10%
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Old 12-29-2013, 06:30 AM   #11 (permalink)
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I have been messing with my trail cat for the last 2 years still

Hey there DogChow....or anyone reading this post. I have been learning about the tricks to fix/identify where my "spark" problem is. 1. i had weak spark...did the 4 wire plug unplug and install jumper....gave me strong bright blue spark.....Thought i was all good......tried to take kids riding..still hesitation...back firing thru carb...running rough bogging down...SO i became a mikuni expert changing my 38mm old carb to a proper jetted 34mm carb....seemed to help ran fine....(mind u i live in Indiana and only ride around my 5acres house land)...finally thought i had her all fixed...then this year...back to her damd old tricks...running rough..bla..bla....I have added a ground wire from the engine frame to body steel. NOW i have figured out and repediatvilly proven that when i starts acting like a bad cat i just wiggle the white wire coming out of the magneto.....just the white....i have all schematics..read everything.....tried everything.....NEXT is to fix this white wire!!! any suggestions
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Old 12-29-2013, 07:27 AM   #12 (permalink)
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Looks like you will be pulling flywheel and stator and if your lucky you will be fixing the white wire and if your unlucky it will be a short in the winding. Just make sure the white wire is not chaffing where it enters the engine at the grommet.- that would be best case scenario.
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