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Does the 17HP Command Pro (CV490S) have hydraulic valves? Do the valves require periodic adjustment? I've searched, but I can't find the answer. I've searched YT, and there are zero videos showing a valve adjustment on this engine. The manual I found online mentions "Adjustable Valve Lash...

I have a Husqvarna CZ 4817 Zero Turn Mower (968999220) with a Kohler Command CV490S. It has the common leaky carb problem, so I I'm taking a gamble on a cheap Amazon carb. However, as I'm putting it back together, I notice that the throttle is not wide open with the mower not running. I can move...

I recently bought a cheap used Bolens 11A-020W765 mower with the 125cc Briggs 08P502-0165 engine, which has the plastic carb and foam air filter. I got it for trim work, but before I needed to use it for that, I needed to use it to mow a small yard. The first time I tried to mow with it, it ran...

Not sure where to put this. I hope this is ok. I have an Echo PAS with several attachments. Most of these have heads that need periodic greasing. Yet none of them have grease fittings. And yet, you're supposed to grease them every (I think) 25 hrs. How do you guys grease them? The videos I've...

My search skills must be crap, because I can't believe this hasn't been asked before, but I can't find it. Just watched a video that said that small engines should use high zinc oil. Is this true? That's the first time I've heard that. None of my engine manuals mention zinc. They all say use an...

I have a Kohler Command 17HP (CV490S, spec # 27515) with a Walbro carb that leaks. I found a video from Taryl where he provides the Kohler carb rebuild kit p/n (20 521 04-S), and it's $48. Cheap, made-in-China carbs run around $20 on that jungle site. You guys have any luck with the cheap Walbro...

Mower: Cub Cadet Pro Z 100S Engine: Kohler EZT750. ~385 hrs. I noticed on my last mow, that when I shut off the engine, it stops more quickly than it did last season. Or even two weeks ago (when I previously mowed). Should I be concerned? Oil is fresh, and level is good. One change from last...

I have an older 3-wheel Honda ATV ("Big Red") that I've been using for light towing around my property. Dragging small felled trees, towing a small utility trailer, etc. It doesn't seem to struggle with the loads I've put on it. But... it DOES seem to struggle with staying cool. The last time I...

I know that the blade tip speed is limited by ANSI to 19000 FPM. Which, on a 22" blade, equates to 3299RPM according to my calculator. I recently bought a tachometer, and found that my residential push mower, with a 22" blade, is running at 2750 RPM. So I started increasing it. When I got to...

I have a Pro-Z 154S. There is a Z-Force LZ60 for sale nearby with a bagger. CC calls both of these commercial, and both have fabricated decks. Will this bagger fit my Pro-Z? If so, I'd be willing to buy the Z-Force, take the bagger, and sell the mower. The bagger for my Pro-Z is more than I paid...

I've read the "Run at full throttle?" thread, but I have a couple of questions not answered there. And the thread's closed. My general approach is that it's ok to run the engine & hydros at low speed if they're cold and not under load. Is this correct? When I first start my zero turn, I let it...

A cautionary tale about oil filters. I bought a used mower a little over a year ago. The engine had oil leaks at the valve covers. I fixed that and a few other things. Got it back together, changed the oil & oil filter, and used it last season. About an hour & 45 minutes per week. At the...

I have a Pro Z 154 with a deck belt that needs to be replaced. The parts list shows the P/N as 954-05013. When I search that P/N on cubcadet.com, I get two hits. One for that P/N, which shows as in stock, and one for 490-501-C094, which shows as the replacement for 954-05013, also in stock. The...

Just picked up a Pro Z 100 for cheap, but it needs a few things. It's been "rode hard, and put away wet", so I want to do some fairly invasive disassembly (like engine & deck removal), but I can't find a service manual. I found an owner's manual, engine owner's manual, and an illustrated parts...