weird no start

Brummo · 05-16-2019, 09:21 PM

OK I know it's summer..well close anyway.
Went to the trailer to check things out and realized that when I loaded my sleds in the trailer I left the key on on my '15..oops dead battery.. Well, gave it a couple pulls and bang, off she went. Let it idle for a few minutes revved a couple times. Turned off the key, hit the kill switch. Hooke the battery up to battery tender.
Now two days later..battery still dead. (no biggy it's still the original)...here's the kicker...SLED WON'T START!
WTH? kill switch up, key on pull several times and nothing..went as far as unhook the harness to the hood. Still nothing. Change plugs as they seemed pretty wet. Still nothing..Gave the throttle a little crack..no fire. What gives? two pulls the other night and now nothing..
Anyone have answers? This is going to drive me crazy

sleddog66 · 05-17-2019, 05:48 AM

So you have not put in a new battery yet? Probably low voltage causing weak spark

**northstarrick** · 05-17-2019, 06:13 AM

battery has nothing to do with ignition on Polaris sleds. the only sleds effected by low voltage ( under 10 vdc) are ski-doo S.D.I. and E-TEC'S. the ecu shuts down under 10 volts won't start even pulling it. one reason ski-doo got ride of recoils on some models. you can't start a C.F.I. sled and not let it run up to temp or you risk flooding it'

pull both plugs. with the key/kill switch off pull it over 10 plus times. put new plugs in it and it should fire right up. warm weather starting compounds the flooding issue.

Brummo · 05-17-2019, 10:32 AM

Thanks Northstar. I'll give it a go. It's a dome scratcher for me as I have never had any problems at any time with this sled not starting. Especially since it started on the first pull 2 days earlier.

Brummo · 05-17-2019, 09:13 PM

Update.
Took one of my trolling motor batteries and some small cables and hooked to the dead battery. Gauge started right up..turned key..spun but didn't engage to the fly wheel..weird, but one pull fired right off. I let it run up to about 130 and shut it down. Unhooked the battery and pulled three times and nothing. Hooked back to the good battery and one pull. Ran it for a bit and called it good. Loaded all the stuff back into the truck and gave the sled one more pull, fired right up..helped my buddy do a tire rotation on his truck and before I left his place decided to give it another try. One pull away she went..let's hope when I put the new battery in it it will engage the starter like usual.

patrioticinnovations · 05-18-2019, 06:12 AM

Quote:

Originally Posted by Brummo

Update.
Took one of my trolling motor batteries and some small cables and hooked to the dead battery. Gauge started right up..turned key..spun but didn't engage to the fly wheel..weird, but one pull fired right off. I let it run up to about 130 and shut it down. Unhooked the battery and pulled three times and nothing. Hooked back to the good battery and one pull. Ran it for a bit and called it good. Loaded all the stuff back into the truck and gave the sled one more pull, fired right up..helped my buddy do a tire rotation on his truck and before I left his place decided to give it another try. One pull away she went..let's hope when I put the new battery in it it will engage the starter like usual.

Hmmm. I know a guy who removed his battery and electric start system from a 2015 Pro-X 800. It started with the pull rope every time.

It might be that the bad battery is directly shorted and is drawing all the DC current from the stator. If so, you should try disconnecting the ground cable from the dead battery. It should fire right up.

Brummo · 05-19-2019, 09:22 AM

Quote:

Originally Posted by patrioticinnovations

Hmmm. I know a guy who removed his battery and electric start system from a 2015 Pro-X 800. It started with the pull rope every time.

It might be that the bad battery is directly shorted and is drawing all the DC current from the stator. If so, you should try disconnecting the ground cable from the dead battery. It should fire right up.

That is a possibility..

zr sled head · 05-19-2019, 01:05 PM

Good thought on battery could have an internal issue. Mine also starts just fine with battery removed.

05-16-2019, 09:21 PM	#1 (permalink)
Brummo Super Advanced Member Join Date: Jun 2013 Posts: 156 Current Sled(s): '15 Axys 800 SB 60th Anniversary Previous Sled(s): '18 600 SB Founders Edition, '04 Polaris 700 Classic M/10 Location: Iowa Favorite Riding Area: Northern WI, my trails in Iowa 18-19 Mileage 800 17-18 Mileage: 970 16-17 Mileage: 840 15-16 Mileage: 930 Riding Since: 1980	weird no start OK I know it's summer..well close anyway. Went to the trailer to check things out and realized that when I loaded my sleds in the trailer I left the key on on my '15..oops dead battery.. Well, gave it a couple pulls and bang, off she went. Let it idle for a few minutes revved a couple times. Turned off the key, hit the kill switch. Hooke the battery up to battery tender. Now two days later..battery still dead. (no biggy it's still the original)...here's the kicker...SLED WON'T START! WTH? kill switch up, key on pull several times and nothing..went as far as unhook the harness to the hood. Still nothing. Change plugs as they seemed pretty wet. Still nothing..Gave the throttle a little crack..no fire. What gives? two pulls the other night and now nothing.. Anyone have answers? This is going to drive me crazy __________________ "If at first you don't succeed, skydiving's not for you." To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

05-17-2019, 06:13 AM	#3 (permalink)
northstarrick Super Advanced Member Join Date: Mar 2011 Posts: 9,151	battery has nothing to do with ignition on Polaris sleds. the only sleds effected by low voltage ( under 10 vdc) are ski-doo S.D.I. and E-TEC'S. the ecu shuts down under 10 volts won't start even pulling it. one reason ski-doo got ride of recoils on some models. you can't start a C.F.I. sled and not let it run up to temp or you risk flooding it' pull both plugs. with the key/kill switch off pull it over 10 plus times. put new plugs in it and it should fire right up. warm weather starting compounds the flooding issue. patrioticinnovations likes this. __________________ To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. Northstar Performance Products Stage 1,2,3 clutch kits Oil tank vent kits Doo T-Stat bypass kits Rush/Axys A-Arm bushing kits 550 fan upgrade kit Our products have been race tested and proven all across North America! Authorized dealer for SLP RK-Tek WPS US Chrome Thunder Products Automatic Distributors Venom/Team Ind. Redline Oil Klotz Racing Synthetics K100

05-17-2019, 09:13 PM	#5 (permalink)
Brummo Super Advanced Member Join Date: Jun 2013 Posts: 156 Current Sled(s): '15 Axys 800 SB 60th Anniversary Previous Sled(s): '18 600 SB Founders Edition, '04 Polaris 700 Classic M/10 Location: Iowa Favorite Riding Area: Northern WI, my trails in Iowa 18-19 Mileage 800 17-18 Mileage: 970 16-17 Mileage: 840 15-16 Mileage: 930 Riding Since: 1980	Update. Took one of my trolling motor batteries and some small cables and hooked to the dead battery. Gauge started right up..turned key..spun but didn't engage to the fly wheel..weird, but one pull fired right off. I let it run up to about 130 and shut it down. Unhooked the battery and pulled three times and nothing. Hooked back to the good battery and one pull. Ran it for a bit and called it good. Loaded all the stuff back into the truck and gave the sled one more pull, fired right up..helped my buddy do a tire rotation on his truck and before I left his place decided to give it another try. One pull away she went..let's hope when I put the new battery in it it will engage the starter like usual. __________________ "If at first you don't succeed, skydiving's not for you." To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts. To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

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05-17-2019, 05:48 AM	#2 (permalink)
sleddog66 Super Advanced Member Join Date: Apr 2016 Posts: 251 Current Sled(s): 17' SBA 800 1.3 Location: DeKalb Il Favorite Riding Area: U.P. Michigan Riding Since: 1970	So you have not put in a new battery yet? Probably low voltage causing weak spark

05-17-2019, 10:32 AM	#4 (permalink)
Brummo Super Advanced Member Join Date: Jun 2013 Posts: 156 Current Sled(s): '15 Axys 800 SB 60th Anniversary Previous Sled(s): '18 600 SB Founders Edition, '04 Polaris 700 Classic M/10 Location: Iowa Favorite Riding Area: Northern WI, my trails in Iowa 18-19 Mileage 800 17-18 Mileage: 970 16-17 Mileage: 840 15-16 Mileage: 930 Riding Since: 1980	Thanks Northstar. I'll give it a go. It's a dome scratcher for me as I have never had any problems at any time with this sled not starting. Especially since it started on the first pull 2 days earlier.

05-19-2019, 01:05 PM	#8 (permalink)
zr sled head Super Moderator Join Date: Dec 2002 Posts: 12,525 Location: Toronto. Riding Since: 1861	Good thought on battery could have an internal issue. Mine also starts just fine with battery removed.

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