2003 arctic cat 500 4x4 motor swap problems - ArcticChat.com - Arctic Cat Forum
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post #1 of 6 Old 05-20-2019, 05:56 PM Thread Starter
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2003 arctic cat 500 4x4 motor swap problems

Hi guys I’m new to the forums. I have a 2003 frame and electronics but the motors from a 2007suzuki Vinson. Everything’s bolted in and it idles but if you stab the throttle it stalls and if you baby it it’ll break up on the top end. I’ve jetted it up and down and nothing really helps. I’m assuming it’s something electrical but I can’t figure out what it is. There are a group of four wires coming out of the motor that I can’t figure out where to connect them. I can take pictures later but I’m just looking for some ideas, thank you
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post #2 of 6 Old 05-20-2019, 11:43 PM
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ATV: 13 700 XT trv
2010 Mileage: 800
2007 Mileage: 800
2006 Mileage: 800
Where are they coming out of the engine?

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2013 700 XT TRV EPS :
28" Bighorns on bed linered 08 Prowler rims , Wireless winch remote, 3000LB. Warn winch, Heated front and rear grips, Cat relay wiring harness for accessories, LED light bar, 08 650 trv LTD rear box, Heated rear seat, Elka stage 3 shocks all 4 corners, Aftermarket A-arm bushings, aftermarket sway bar bushings(prototype), Deluxe brush guard bumpers front and rear, Red anodized Hause fairlead, beverage opener winch hook, Synthetic winch rope, RTR motor mount bushings, Dynojet PC5 programmer, Dynojet Autotune, [/B]

07 500 Gone but not forgotten;
Dynojet/142m/45p/3rd/3turns--Clipped and drilled--Unifilter--Easy adjust PMS--L.C.V. mod--AC Swaybar--Exhaust mod--2"Snorkels--Sanny shock bushings-- Airdam stage 1--PSC phase 2--21/ 23gr rollers--Dalton yellow spring--.7mm shim--Sanny Steerlites--RTR Flex Bracket--2 up seat / pegs--Tach--AC handguards--28" Outlaw mst's--Skull tailight--Skull shifter--Self Resetting Breakers--1" Wheel spacers--Customcncparts Steering Damper--AC deluxe handwarmers--6000k HID'S hi/lo--AC Deluxe Bumpers--Inline Fuel Filter-- O2 sensor \AFR guage--Black Magic Full Stainless Exhaust System--Wireless Winch Remote--29.5 Outlaws--Fox Podium X Rear Shocks--




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post #3 of 6 Old 05-21-2019, 12:49 PM Thread Starter
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That’s the connector and I circled where the wire comes out of the motor, it’s kind of by the clutch
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post #4 of 6 Old 05-31-2019, 04:05 PM Thread Starter
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Any ideas? I just put another jet in it and it feels perfect but it seems like I’m hitting a limiter, like you would in reverse.
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post #5 of 6 Old 05-31-2019, 05:23 PM
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Sled: Radio Flyer vintage late seventy's
ATV: XTZ V2 550H1 50
Did the 03 have diodes in the fuse box like the later ones? I think they cause that problem when installed backwards.

xtz,v2,550h1,50
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post #6 of 6 Old 06-01-2019, 07:59 AM
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Sled: 16 Bearcat XT, 06 T660 TT, 05 S/Cat 600
ATV: 03 400 4x4 auto FIS, 05 300 4x4
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Originally Posted by FirecatV2 View Post
Did the 03 have diodes in the fuse box like the later ones? I think they cause that problem when installed backwards.
Not in the fuse box but two diodes are shown in the wiring harness diagram I have for all 03 models. Blue/black wire into Blue/brown and Blue/white into Blue/black.

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2016 Bearcat 2000XT

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1980 El Tigre 6000

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Last edited by 660catman; 06-01-2019 at 08:14 AM.
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