Workshop next (?) - Arctic Cat Prowler Forums: Prowler UTV Forum
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post #1 of 16 (permalink) Old 10-08-2017, 04:19 AM Thread Starter
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Workshop next (?)

During the last month, my prowler has gradually become worse. It started with short errors at full throttle. Like it suddenly did not get gas for a split second. I dont know if thats the case though. This has since become worse and now it's hopeless when it's cold. It is very difficult to rise in rpm. Now it has come to that point it wont fire up.

Things I have done:
- Added carb-cleaner in the gas tank
- removed the carb from the car and cleaned it
- installed new fuel filter (the small one in the tank)
- installed new gas/vent hoses
- new spark plug
- cleaned air filter
- also installed a fuel filter on the hose from the tank to the fuel pump

It looks like I have to send it to the workshop, unless any of you guys comes up with a bright idea what to do?

650 xt 2008 SOLD
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post #2 of 16 (permalink) Old 10-08-2017, 06:12 AM
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Coil breaking down?

2009 700EFI XTX, , AC Winch, 2010 Dust Shield EPI Sport Utility Clutch Kit , Street Legal, Cage chopped 2 ", Aluminum Diamond Plate Trim, Relocated Factory Bladders with covers, 5 Pt. Harness installed, Bed Tiedown System, Scat Pro-Car Seats, Secondary Battery installed, Oil Pressure, Oil/CVT Temperature, Volt Meter & Water Temp Gauges installed with Dash Plate, Bighorns, ITP Black 212 Wheels. Tonneau cover. 750 Big Bore Kit, Web Cam, and Rocker Arms.

Either - Dick or RD
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post #3 of 16 (permalink) Old 10-08-2017, 12:13 PM Thread Starter
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Maybe. Whats the best way to check that?
But would it make sense when the prowler works better when it's hot?

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post #4 of 16 (permalink) Old 10-09-2017, 08:29 AM
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Pull the spark plug and put the plug wire back on. Ground the side of the plug (threads) to the engine block and have someone spin the starter, while you are watching for spark between the plugs electrode. If you are a brave soul, put the plugs tip on your tongue and touch the engine with your finger. NO, JUST JOKING!!! If you see a spark, its working, if you don't, that or the plug wire could be the cause of the no start.

'09 650XT H1, 72" Eagle Plow, Warn 3500 Winch. Dyna CDI box, UNI filters, A/C V-bag and console, EPI lift kit, Highlifter springs, Scat ProCar suspension seats. Rick the Rockets A frame and shock bushings. 28x12X14 Raceline Bruisers on Vision rims, on all corners. Cowling heat vents. Factory heat and defrost. RD's custom alternator kit. XTZ hood scoop and front shocks. Monster shock covers, turn signals. OEM glass sport windshield, sliding rear window, and lights, lights and more lights!
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post #5 of 16 (permalink) Old 10-09-2017, 12:36 PM
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Pulled this from the repair manual, you'll need a Multi Meter
To troubleshoot a primary coil (650 cc)
1. Set the meter selector to the DC Voltage position; then disconnect the blue/white primary wire from the coil.
2. Connect the red tester lead to the primary wire; then connect the black tester lead to ground.
3. Turn the ignition switch to the ON position.
4. The meter must be within specification.
5. With the test leads still connected, crank the engine with the electric starter.
6. The meter must show 300-450 DC volts.

'09 650XT H1, 72" Eagle Plow, Warn 3500 Winch. Dyna CDI box, UNI filters, A/C V-bag and console, EPI lift kit, Highlifter springs, Scat ProCar suspension seats. Rick the Rockets A frame and shock bushings. 28x12X14 Raceline Bruisers on Vision rims, on all corners. Cowling heat vents. Factory heat and defrost. RD's custom alternator kit. XTZ hood scoop and front shocks. Monster shock covers, turn signals. OEM glass sport windshield, sliding rear window, and lights, lights and more lights!
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post #6 of 16 (permalink) Old 10-11-2017, 12:31 PM Thread Starter
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Thanks Bryan and RD. Transported it to the workshop today. Told them to check the coil. Cross my fingers there are not a big thing causing the problem.

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post #7 of 16 (permalink) Old 10-17-2017, 09:56 AM Thread Starter
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Damn. The piston is shot. So they will insert a new one and new rings.

I have 6000miles and 680 hours on it. I have changed oil/filter every 500miles or so, and always a clean air filter. Is it time for the piston to be broken now?

Just wonder if something else is shot and causing this thing? The workshop had not checked for low oil pressure because it wouldnt fire up. I told them to do so as soon as possible.

Btw a year ago (only 350miles) I changed the oil pump and that driven gear that has caused top end problems. The old ones looked good, just did it as a preventive measure. Now I fear maybe I should not have done that...

What do you guys think?

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2018 Polaris Ranger 1000 XP

Last edited by Johan82; 10-17-2017 at 10:51 AM.
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post #8 of 16 (permalink) Old 10-17-2017, 11:12 AM
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Quote:
Originally Posted by Johan82 View Post
Damn. The piston is shot. So they will insert a new one and new rings.

I have 6000miles and 680 hours on it. I have changed oil/filter every 500miles or so, and always a clean air filter. Is it time for the piston to be broken now?

Just wonder if something else is shot and causing this thing? The workshop had not checked for low oil pressure because it wouldnt fire up. I told them to do so as soon as possible.

Btw a year ago (only 350miles) I changed the oil pump and that driven gear that has caused top end problems. The old ones looked good, just did it as a preventive measure. Now I fear maybe I should not have done that...

What do you guys think?
I would also check fuel delivery .. running lean would burn through the piston top real fast

name is Gary or hey you if ya forget

2009 Prowler XTZ , couple things added here and there
'83 CJ7 / SBC + whole lot added here and there
'01 Dodge / Cummins / Dually, a ton of stuff added here and there

INSTRUCTIONS FOR THE NEWBIES ...
1. Bring in a good load of firewood for the pit
2. start the morning coffee , strong but not burnt / boiled down , IMPORTANT start it early as many of us old farts get up early !!
3. sit a spell and swap some lies with the best of us
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post #9 of 16 (permalink) Old 10-17-2017, 11:22 AM Thread Starter
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Thanks. How do you check if it runs lean? Something to adjust (air/gas)? Carb? Valves?

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post #10 of 16 (permalink) Old 10-17-2017, 06:28 PM
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Quote:
Originally Posted by Johan82 View Post
Thanks. How do you check if it runs lean? Something to adjust (air/gas)? Carb? Valves?
start with a spark plug reading s/b a light to medium toast color unless it's destroyed it may already have metal up in the tip area from piston melt, a visual look at piston top , black = richer . whitish =lean

if a carb model the fuel ratio can be adjusted pretty easy , if it's a injected model [don't know when they changed] it may well be a air/fuel sensor that's bad as the computer controls the fueling.

lots of things to check .. also a exhaust leak can cause a lean condition but that should have showed up before a melted piston.

and yes valves adjustment can be in this mix.
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name is Gary or hey you if ya forget

2009 Prowler XTZ , couple things added here and there
'83 CJ7 / SBC + whole lot added here and there
'01 Dodge / Cummins / Dually, a ton of stuff added here and there

INSTRUCTIONS FOR THE NEWBIES ...
1. Bring in a good load of firewood for the pit
2. start the morning coffee , strong but not burnt / boiled down , IMPORTANT start it early as many of us old farts get up early !!
3. sit a spell and swap some lies with the best of us
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