All posts by dstech

Basket case of a Sportsman 400

Ive got an 01 sportman 400. Its been acting a fool with the starting and charging system on and off recently.

I replaced the starter, starter solenoid, and battery recently. Everything was all and well until the battery died. I then realized it wasnt getting charged.

I charged the battery and it was back to being able to start just fine. I get a few days of riding it then its back to the pull start until I can get it charged.

Just the other day it stopped starting even with a charged battery. I suspect the cheap solenoid I put on it went out but I have tried to jump it yet.

My question is, is it the stator that would cause it not to charge? or is there something else. I do have a volt meter and can test things, but im honestly very new with it. (What im trying to say is I dont know what to set it on to get specific readings).

Thanks for the help in advance.

Rear hub compatability

I just bought a 2000 TRX90 for my son. The rear tires are totally worn out. I would like to use a turf tammer rear tire size 18x8x8 which means I will need a different wheel with a 4 on 110mm bolt pattern instead of the stock 4 on 85mm. I have heard that any of the rear hubs from the larger honda sport quads will fit on the 90 axle splines and I can then use the 4 on 110mm wheels. Can anyone confirm that this is true?

First post and question!

Hi I just bought a 2014 grizzly 550 from a buddy. It’s got 8 hrs and about 89 miles on it. it starts great, runs great. Just wondering if since I don’t technically know it’s complete history/ break in to date should I take it in for first service or ride it out till the 20 hour mark and do a semi break in until the 20 hr mark? He got it for free through lonestar beer and never used it gave me ATV, two new helmets, tow hitch, grill guard, and a back seat hard storage case all for 5k. Seemed like a good deal according to my research. Thoughts? It’s my first atv btw.

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Made a big mistake today

Finally got all of my clutching issues fixed! Today was the first ride I had went out on with my 2000 kodiak 400. Before loading it up last night I went through it a bit and checked the oil and such. Well I guess after cleaning off my oil dipstick and inserting it to check level I scrubbed the side of the crankcase and got some oil on the dipstick. So I thought I was good ok the oil. After a couple hours of riding today all of a sudden it shut down and acted like something locked up. Ended up put a whole 2 quarts of oil in it, IT WAS EMPTY! couple of guys I was riding with had a couple of quarts of Rotella that I bummed. Convinced that it was already shot, and there was no hope I cranked it for a few seconds and it started, but was sounding pretty rough ( I was thoroughly convinced I spun a bearing). After shutting it down and coming to terms that the damage had already been done, and I might as well try to ride it back to the truck, we took off again. After 10 minutes or so of riding, the engine smoothed back out (not completely, but WAY better). Rode probably another 4 or 5 hours. And not easy riding either. It ran like a champ, and never noticed any loss of power. With saying all that I have a question and statement to make. First the question: has anyone ever ran any of the Lucas oil treatment in their wet clutch equipped yamagata? And for my statement: Grizzlys and Kodiaks are some tough sons of b#####s!! Definitely feel like I learned a valuable lesson today… The hard way.

05 400 EX Top end rebuild

Hey guys just sold my rzr and made it back to a Honda. Haven’t been on a 400 ex in a while so I picked one up today that’s smoking badly. KID…yes kid said it was a 416 installed by the PO….he bought it a couple months ago and she started smoking soon after of course so coulda been a ring only install done so not sure what it is until I tear it down. I got started on it tonight cause i wanna get this thing on the trails and hopefully get back into the groove that I once was in 14 years ago when u bought a new 02 🙂 I am starting this thread so u guys can give me some pointers on what to do when I’m inside her. Here’s some pics.
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Foreman TRX450FM Rear Diff Fit Foreman TRX500FM?

I have a Foreman TRX450FM rear diff and want to know if it will work in the Foreman TRX500FM
I looked at the part numbers and they are different, but I have these two diffs side by side and they look exactly the same on the outside and as far as I can find the gear ratios are the same inside
Anybody know for sure if they are the same and will work?
Thanks in advance

300ex cylinder

I just recently broke a cylinder sleeve and jacked up my piston. I have a 74mm piston kit laying around can I order a 74mm cylinder sleeve and be set or is there a specific size over 74 by a wee bit I have to get for a 74mm piston?

Polaris 700 EFI shifting trouble

I have a 2005 Polaris 700 EFI that shifts loosely.
(It is not necessarily in gear when it says it is, and I sometimes have to rev it up to get it into gear.)
I took off the side cover where the shift lever would insert into the transmission and all the little gears in there look ok.
But it just seems like it should shift tighter.

Any thoughts anyone?