'91 ext 550 - Snowmobile Forum: Your #1 Snowmobile Forum
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post #1 of 6 (permalink) Old 01-14-2013, 09:44 AM Thread Starter
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'91 ext 550

I have a chance to pickup a '91 ext 550 for cheap as it does not have a spark. Is there a common electrical problem on these units? Are they a reliable motor? What would you guys pay for it? As it looks in the pics, everything is in good shape and only 2900 miles.

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'98 Arctic Cat Pantera 580 EFI Touring (AKA.. The Recliner)
'98 Polaris Indy 500 (Sold.... and missed!!)
'87 Yamaha Bravo (Now in KCCats Family)
'78 Polaris TXL-340 (Always in progress)
'89 A/C Eltgre' EXT 530 (My Sled... Now sold )
'73 A/C Cheetah 440 (Now w/ my Nephew)
'90 A/C Prowler w/ '96 580 skid (My oldest boys ride)

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post #2 of 6 (permalink) Old 01-14-2013, 11:11 AM
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How cheap?
Most likely just a TTS issue and the 550 motor is a good one.

Old Cat Rider
'93 Wildcat 700EFI
w/ Comet 108 Pro-4 clutch & 01 ZR skid

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post #3 of 6 (permalink) Old 01-14-2013, 12:39 PM
JDS
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I had one of those exact sleds. When it had a spark problem, it was invariably the tether switch. I replaced the tether switch and never had another spark problem.

JD
____________
2008 Polaris RMK 600-155"
2001 Arctic Cat ZR500
2003 Polaris Trail RMK 550F(wife's)
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post #4 of 6 (permalink) Old 01-14-2013, 01:08 PM Thread Starter
Vintage Sled Pilot
 
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If it is a stator, how much should I expect to pay for a new/used unit?

Sent from my XT907 using Snowmobile.com App

'98 Arctic Cat Pantera 580 EFI Touring (AKA.. The Recliner)
'98 Polaris Indy 500 (Sold.... and missed!!)
'87 Yamaha Bravo (Now in KCCats Family)
'78 Polaris TXL-340 (Always in progress)
'89 A/C Eltgre' EXT 530 (My Sled... Now sold )
'73 A/C Cheetah 440 (Now w/ my Nephew)
'90 A/C Prowler w/ '96 580 skid (My oldest boys ride)

Jack of all trades, Master of one!
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post #5 of 6 (permalink) Old 01-14-2013, 03:55 PM
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If I remember correctly, you can get a rewound one from Blain1 for around $150./

Old Cat Rider
'93 Wildcat 700EFI
w/ Comet 108 Pro-4 clutch & 01 ZR skid

http://www.dcdrifters.net/

Worshipful Master; F&AM Dryden Lodge# 472
http://www.masonicdryden472.org/

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post #6 of 6 (permalink) Old 01-14-2013, 05:51 PM
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The 550 is the little bro to the 580! No issues with stators. Likely just in one of the kills! Try to get it for a coupla hundred or so!
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