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2000 Sportsman 90 no spark

Using most of the troubleshooting methods mentioned on other threads-
1.Stock Stator checks out fine as per OLDpolaristech thread (replaced w/ Chinese stator from ebay just in case) still no spark
2. Checked safety switches (handlebar on/off and tether)
3. Coil checks good except 0 zero voltage coming from CDI (replaced w/chinese coil from ebay just in case) still no spark.
4. Checked CDI as per OldPolarisTech recommendations. Black wire disconnected. (replaced w/chinese CDI from ebay just in case) still no spark.
The only tangible thing I have is 0 zero voltage at coil wire from CDI when trying to start.
Any Ideas?
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Overheating problem solved (cheap)

This thread was started to share a couple of tricks that may have been mentioned elsewhere.

I've got a couple of Sportsman machines, use them in ranch work. They are well taken care of but they earn their living. We never submerge or abuse them but we do work them hard, spraying brush, catching cattle, checking fences, etc.

Overheating was a regular problem each summer.

The biggest culprit has always been seeds (grass and weeds) getting into the radiator fins. As you know it's a chore to pull the rad off, not to mention that tiny seeds are next to impossible to clean out. I've used compressed air, water hose, a/c coil foam, acid bath, heat, etc. You name it, I've tried it. None of it is quick or easy. Seeds don't like to turn loose.

The solution is two-fold:

1) Remove the radiator and get it as clean as possible. Put radiator back in and zip-tie a 12x12 pleated a/c filter directly onto the front of the rad. Each day blow the seeds off the filter by shooting compressed air through the front grill. You can order these filters by the case for a few bucks each. As long as you don't get them wet they last a long time.

2) Do the old automobile trick and pull out the thermostat. Because there is no gasket you will have to cut the guts out of the thermostat with a Dremel tool, leaving the hollow housing with the ring seal intact. That part is cleaned up with the brush wheel on your shop grinder to remove any burs. Put it back in the machine and you're good to go.

We have had plenty of days in the high 90s to low 100s, working the machines hard, and the fan only runs part of the time.

NOTE: Make sure to order a new thermostat for putting back in the machine when the weather cools off. Otherwise the engine won't warm up properly.

This has been a HUGE time and trouble saver for me.

Hope it helps some of you!
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Used 570

New to these boys, couple of questions for those who know. Looking at 2 A 2007 Sportsman 500 2300 miles $3400.00 and a 2014 570 750 miles $4200.00. Both show no signs or ruff lives. What concerns me is both have what sounds like valve problems, very light tap tap. both swear regular maintenance. IF that is or is not true. How much damage is likely on both. How often do they require adjustment. thks for any advice suggestions. Kalel
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How often do you replace tires? When?

I have Kinda Bearclaw HTR and I put a lot of miles on them and the rears seem to be wearing out.

The indentation on the molded rubber has worn down to wear its almost smoothed over. Im thinking of replacing the rear tires.


So how often do you guys change tires? Seasonally?
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Which kit is best?

Hey I've been looking at the kits available on the website and been real curious how well the engines hold up with any of the kits? Also which kit would be best suited for me? I have a 14' 650XMR. I don't race my bike on a regular but when we go to Busco we all like to have fun and make a couple passes on their track. Mostly I just do trail riding and a lot of mud. I'm not out for most power possible I prefer good clean reliable power.


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2018 Polaris RZR XP Turbo EPS Dynamix Edition Review + Video



A revolutionary active suspension system

If you have followed the progression of Polaris as a company over the last 10 years, then you know that nothing should surprise you. Yet the 2018 Polaris RZR offerings are indeed surprising. With the advancements coming out of the largest manufacturer in our industry, we were blown away with the direction Polaris is looking to go. The suspension on the 2018 Polaris RZR XP Turbo EPS Dynamix Edition is revolutionary.

In the rock and sand just an hour south of Las Vegas Nevada we had a half day to get slightly familiar with the newest advancement in the RZR arsenal and it did not take long to figure out that this was a big step forward when it comes to suspension for Side-by-Sides. Here’s the big question though; will the buying public really understand what they are getting and will they embrace the fact that they will now have a computer working in their favor? We can revisit this in a moment, but let’s look at the machine first.

Check out the review here: 2018 Polaris RZR XP Turbo EPS Dynamix Edition Review + Video - ATV.com