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By Kaz
Troubleshooting a no spark issue, was running OK, maybe a little rich, turned it off, now no spark. I've checked/ohmed out the main key switch, the start/stop switch, neutral switch, brake switch - all good. It will crank the starter, but no spark with the starter or when I try the pull start. I've checked all fuses and diodes. Swapped battery. New plug. New coil. Swapped in a used CDI - no help. Traced, removed, cleaned, reattached all grounds. Removed things like my winch from the circuits to be sure a bad relay or something was dragging it down. When testing voltages, the orange wire going from the CDI to the ignition coil shows no/very low voltage-shouldn't it have 12V on it? Sometimes I get a very weak, intermittent glow on my spark tester, but not enough to fire the plug. I've checked continuity on just about all wires in the harness. Checked/cleaned/lubed w dielectric grease- all connections, redid a few that looked old/dirty. I've checked the stator resistances, all good, but have a stator and rectifier ordered anyway, will arrive Sunday. I verified that the rectifier has a voltage output back to charge the battery while cranking - 10.5-11V, low, but expected while starter is engaged. What else can I check as part of troubleshooting? I have a Haines service manual, but the 1999 350 4x4 seems to be an odd model, there isn't an exact electrical diagram for it, but found one for another year that has all the same number of wires and same color wires, so I've referenced that. Any hints, tips or advice would be appreciated! Thanks!
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By P_syko
Hello all! I’m new to the 4 wheeler world, but not new to the mechanic world. I was a diesel mechanic for many years and last year got into jet skis. I just bought a 1987 Yamaha moto 4 350 and now learning the ins and outs of 2 stroke engines. Looking forward to learning all the things.
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By quadcrazy
View File 1985 - 1995 Polaris ATV service manual (All Models)
1985 - 1995 Polaris ATV service manual (All Models)
Covers the following models:
1985 Scrambler Trail Boss
1986 Scrambler
1986 Trail Boss
1986 Scrambler
1986 Trail Boss
1987 Trail Boss
1987 Cyclone
1987 Trail Boss 4x4
1987 Trail Boss 4x4
1987 Trail Boss 4x4
1988 Trail Boss 2x4
1988 Trail Boss 4x4
1988 Trail Boss 250 RIES
1988 Trail Boss 250 RIES
1989 Trail Boss
1989 Trail Boss 2x4
1989 Trail Boss 4x4
1989 Big Boss 4x6
1989 Big Boss 4x6
1990 Trail Blazer
1990 Trail Boss 250
1990 Trail Boss 2x4
1990 Trail Boss 2x4 350L
1990 Trail Boss 4x4
1990 Trail Boss 4x4 350L
1990 Big Boss 4x6
1991 Trail Blazer
1991 Trail Boss 250
1991 Trail Boss 2x4
1991 Trail Boss 2x4 350L
1991 Trail Boss 4x4
1991 Trail Boss 4x4 350L
1991 Big Boss 4x6
1991 Big Boss 6x6
1992 Trail Blazer
1992 Trail Boss 250
1992 Trail Boss 2x4
1992 Trail Boss 2x4 350L
1992 Trail Boss 4x4
1992 Trail Boss 4x4 350L
1992 Big Boss 4x6
1992 Big Boss 6x6
1993 2502x4
1993 3502x4
1993 2504x4
1993 3504x4
1993 Sportsman
1993 2506x6
1993 3506x6
1993 Trail Boss
1993 Trail Blazer
1994 3002x4
1994 4002x4
1994 3004x4
1994 4004x4
1994 3006x6
1994 4006x6
1994 Trail Boss 2W
1994 Trail Blazer 2W
1994 Sportsman 4x4
1994 Sport
1995 3002x4
1995 4002x4
1995 3004x4
1995 Xplorer4x4
1995 4006x6
1995 Trail Boss
1995 Trail Blazer
1995 Sportsman 4x4
1995 Scrambler
1995 Magnum 2x4
1995 Magnum 4x4
1995 Sport
Submitter quadcrazy Submitted 05/24/2018 Category Polaris ATV
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By qcm413
Hi,
Thanks for a newbie on this site !
i have grinding noise in my front differential. the front right wheel is turning and the left is try to turn but no movement and make sound like a gear broken. somebody have any idea ? not enough oil in diff ?
thank
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