1991 RXL 650 stalling - Snowmobile World : Your #1 Snowmobile Forum
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post #1 of 3 (permalink) Old 02-17-2018, 07:14 PM Thread Starter
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1991 RXL 650 stalling

Hi, I just rebuilt the centre cylinder of my 1991 RXL 650 EFI. The compression is now great on all cylinders, I am getting spark, and the fuel pump is kicking on. When it starts up, it runs absolutely fine. After about 30-45 seconds of running though, it stalls and shuts off. It is difficult to get it started again, though after waiting a few minutes, it starts up first pull. Im thinking it could be an electrical issue, maybe I missed a connection when putting the snowmobile together again after the rebuild? I have checked all the connections that I can see, without dismantling the engine again. What could be the issue...? I dont know what to do Thanks.
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post #2 of 3 (permalink) Old 11-16-2018, 06:58 PM
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Join Date: Nov 2012
Location: Whitecourt,Alberta
Posts: 7
I have had 5 500 EFIs since they came out. biggest thing with these sleds is to put in a NEW proper battery every yr, seeing that I ride a Honda Gold Wing, that 500 amp battery fits right in the EFI battery box. so instead of the battery sitting all winter on a trickle charger, I use it in the Polaris. and every few yrs I sold the sled and bought another.i would do same. I also have had about 12 Gold Wings since 75 too.
so put a New proper battery in it.
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post #3 of 3 (permalink) Old 11-17-2018, 08:59 AM
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Location: Pence WI
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I had 90, 92, and 95 RXLs and had to replace fuel filters frequently

It's cheaper to replace the decals, then build up a little sled. The first time I drove a snowmobile was 7/4/72. It was a 71 488 Polaris Charger.
Previously owned sleds:
1970 433 Polaris.Mstng, 2013 MXZ 600 ACE
1974 530 Cust II, 2012 MXZ XR 1200
1975 SS250, 2014 900 A RENE ADREN
1976 TX 440
1978 TXL 340
1979 TXL 340
1979 Cent 500
1980 TXL Indy
1981 Indy 500
1984 600 LE
1986 Trail Indy SP
1986 600 SE
1988 400 SKS
1989 Indy 650 ( 3)
1990 Original RXL
1992 500 EFI SKS
1993 RXL SKS
1995 RXL
1997 Ultra Touring
1998 Indy 500
1998 500 Classic touring
2001 800 XC/SP (2 )
2002 550 Classic
2002 800 XC/SP
2002 800 Vertical Edge
2005 900 Fusion
2006 600 H.O Fusion
2006 900 Fusion
1974 440 Electra
2008 600 CFI LX
2008 FST LX
2008 D700 RMK 163
09 D600 Swbk
11 Pro R 600
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