Reply
Old 02-23-2012, 05:35 AM   #1
Junior Member
 
TQDrivenWS6's Avatar
 
Junior Member
Join Date: Nov 2011
Location: MN
Thanks: 1
Thanked 2 Times in 2 Posts
Sled: '01 ZR 800, '96 Cougar
'96 Cougar running on 1 cylinder?

I've been trying to diagnose some odd characteristics on the wife's sled, but now it seems to be idling on just one cylinder? I can pull the plug wire for the clutch side of the engine and it doesn't idle any differently. I did check for spark, which seems to be good (bright blue), compression is great (high 120s on both cylinders) so I went through the carbs and gave them a thorough cleaning. The bowls fill as they should and I am pretty confident that the passages are all clear in both carbs. I did clip 1/4" off the plug wire on the bad cylinder but that didn't seem to make much difference. The carbs appear to be timed very well and I have them adjusted for the same gap at idle.

I'm pretty confident in which cylinder it is because I can pull the clutch side plug wire and it will start/run on the first pull if 'warm'. Replace that plug wire and pull the stator side plug wire and it won't even pop no matter how many times you pull regardless of the choke position.
TQDrivenWS6 is offline   Reply With Quote
Remove Ads
Old 02-23-2012, 10:54 AM   #2
Senior Member
 
109jb's Avatar
 
Senior Member
Join Date: Feb 2008
Location: Morris, IL
Thanks: 0
Thanked 401 Times in 378 Posts
Sled: 02 M-Cat 800, 99 Jag 440, 96 Panther 440
ATV: none
Put the mag side plug wire to the clutch side plug and the clutch side plug wire to the mag side plug and see if the problem moves to the other side. If it does the coil is likely bad.

If it doesn't move to the other side, then pull the plugs and put them in opposite cylinders and try it. If the problem moves then, it is the plug.

If neither of these results in the problem moving, then do compression check of the engine.

Last thing is pull the pipe and look in the cylinders at the pistons to see if one piston skirt is broken.
109jb is offline   Reply With Quote
The Following User Says Thank You to 109jb For This Useful Post:
TQDrivenWS6 (02-23-2012)
Old 02-23-2012, 12:06 PM   #3
Junior Member
 
dkfootball67's Avatar
 
Junior Member
Join Date: Feb 2012
Location: MI
Thanks: 2
Thanked 0 Times in 0 Posts
Sled: 05 ZR900EFI SnoPro, 03 SXViper700
10-11 Mileage: 300
09-10 Mileage: 1250
08-09 Mileage: 600
2010 Mileage: 500
^^^^^^^^^^ thats exactly what i would do first. if that doesnt change anything take a look at your reeds in that cylinder. i had reeds go out on my boat last year and it had a similar problem. when you take the reed cage off hold it towards the sun or a light and look to see if you have any spaces between the petals and the cage. a little bit is ok but if its to much i could be flooding out your cylinder. hope my 2 cents help
dkfootball67 is offline   Reply With Quote
Old 02-23-2012, 02:19 PM   #4
Senior Member
 
109jb's Avatar
 
Senior Member
Join Date: Feb 2008
Location: Morris, IL
Thanks: 0
Thanked 401 Times in 378 Posts
Sled: 02 M-Cat 800, 99 Jag 440, 96 Panther 440
ATV: none
I believe the 96 Cougar is going to be a piston port engine, hence no reed valves.
109jb is offline   Reply With Quote
Old 02-23-2012, 03:07 PM   #5
Junior Member
 
TQDrivenWS6's Avatar
 
Junior Member
Join Date: Nov 2011
Location: MN
Thanks: 1
Thanked 2 Times in 2 Posts
Sled: '01 ZR 800, '96 Cougar
 Quote: Originally Posted by 109jb View Post
Put the mag side plug wire to the clutch side plug and the clutch side plug wire to the mag side plug and see if the problem moves to the other side. If it does the coil is likely bad.

If it doesn't move to the other side, then pull the plugs and put them in opposite cylinders and try it. If the problem moves then, it is the plug.

If neither of these results in the problem moving, then do compression check of the engine.

Last thing is pull the pipe and look in the cylinders at the pistons to see if one piston skirt is broken.
Thanks for the ideas, I'll give them a shot this afternoon.
TQDrivenWS6 is offline   Reply With Quote
Old 02-23-2012, 06:27 PM   #6
Junior Member
 
TQDrivenWS6's Avatar
 
Junior Member
Join Date: Nov 2011
Location: MN
Thanks: 1
Thanked 2 Times in 2 Posts
Sled: '01 ZR 800, '96 Cougar
Well it followed the plug. A new pair of BR9EYA's and its running like a whole new machine...now I just need to convince a storm or two to come my way so the wife can actually put some miles on it.

Thanks!!!
TQDrivenWS6 is offline   Reply With Quote
Old 02-24-2012, 07:40 AM   #7
Junior Member
 
dkfootball67's Avatar
 
Junior Member
Join Date: Feb 2012
Location: MI
Thanks: 2
Thanked 0 Times in 0 Posts
Sled: 05 ZR900EFI SnoPro, 03 SXViper700
10-11 Mileage: 300
09-10 Mileage: 1250
08-09 Mileage: 600
2010 Mileage: 500
 Quote: Originally Posted by 109jb View Post
I believe the 96 Cougar is going to be a piston port engine, hence no reed valves.
my bad iv been working on to many reed motors, its been a while since i ahve worked on a PP, thanks for correcting me i hate giving out bad info
__________________
-2005 Zr900 SnoPro EFI, Race Clutch, 8in Riser, SnoCross Bars, Arctic Cat Hand Guards
-2003 SXViper700, 3in Riser, SnoStuff Can, Mild Clutch Kit For Sale
-1994 Panther 440, Camoplast plastic skis
-1995 ZR580 with a lil work hehehe SOLD
-(2) JS550 jetskis, lots o goodies. 1 set for Racing 1 set for Lake MI SURF
-1998 GMC Sierra, 6in BDS Lift, 35in BFG's, Dual Flowmasters, Baja Bar with KC Lights. TOW VEHICLE/ DD

Diamond Drive up keep
Rode Hard And Put Away Wet!!!!!!-
dkfootball67 is offline   Reply With Quote
Reply

Lower Navigation
Go Back   ArcticChat.com - Arctic Cat Forum » Snowmobiles » Arctic Cat Snowmobiles » Touring, Pather/pantera...ect


Search tags for this page
'94 artic cat cougar mt cat
,

1 wet plug on my 94 artic cat

,
1994 arctic cat cougar runs one cylinder when cold
,

1995 arctic cat 550 flooding on one cylinder

,

94 arctic cat cougar running bad

,
99 cougar flooding out
,
arctic cat 550 running on one piston
,
arctic cat 550 with cylinder reed assist
,
arctic cat snowmobile bad cylinder
,

why is one cylinder warm n the other one is hot on a arctic cougar 550

Click on a term to search our sites for related topics.

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Cougar Piston and Cylinder Replacement Johnston Repair Shop Z/ZL/ZR/ZRT/Tcat/EXT/jag/cougar 1 10-19-2010 03:23 PM
M7 RUNNING ON 1 CYLINDER rigrat General Snowmobile Discussion 0 12-20-2008 01:58 PM
Running on 1 cylinder Workaholic Z/ZL/ZR/ZRT/Tcat/EXT/jag/cougar 10 01-24-2008 09:12 PM


Garage Plus vBulletin Plugins by Drive Thru Online, Inc.