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Ok, forget the used parts comment; it is running like a top. After replacing the crankcase on Ebay, installing the new piston/rings, and connecting rod it runs like a top. The only gotcha, solved by a local Honda mechanic, involved a sheared flywheel key, that screwed up the timing, when I...

I finally got it fixed. The switch was a very specialized "pad" switch (multiple switches built into a pad that fit within a cutout on the bottom cushion) that required completely disassembling the seat cushion, positioning the pad, and reassembling the seat cushion/cover etc. The new one was...

The switch wiring snakes through the bottom of the cushion. I have removed the entire seat assembly from the mower, but I cannot see how to remove the cushion so I can get to the switch.

I have a Ztrak 727A mower with an intermittent control lever switch. I know just about everything about this repair/replacement but how to get to them. Anyone have experience with this procedure?

Unfortunately for me, I think I found the problems. When I put the engine back together and torqued all screws to spec, what I though were gouges in the interior of the engine due to the connecting rod breaking turned out to be cracks in the engine casting. I can only assume that this small...

P.S. I have looked the crank over several times and do not see a problem. But then again I am not a machinist.

Ok I replaced the connecting rod, piston (since I noticed one of the "ears" on the latter was broken), and rings. When I bolted the rod onto the crank, before attaching/installing the piston, and tightened it to spec is spun freely using a light finger flick. The piston appears to slide...

Ok, received the new connecting rod from Thailand, tightened the yoke to 9 ft-lb spec and it turns freely on the crank (out of engine to check tolerances with very little play). I thought I had won the war but no such luck. When I tried to turn the crank with the timing gear installed it...

The orientation of the rod to the piston triangle is correct. However, it appears the folks in Thailand sent me a .25 mm undersized (large end) connecting rod. The ID is 1.016 in. which is the spec for the undersized rod end. My crank pin is 1.026 which is in the ballpark of a standard crank...

I am replacing the connecting rod in a GXV140. When I snug up the rod big-end bolts, it turns ok. However, when I tighten the bolts to the 9 ft-lb spec it freezes up. I have polished the crank with 600 grit emery to no avail. My question: Should I keep polishing the crank or hone the big...

Here's an authoritative discussion I found online (grumpy on https://www.outdoorking.com/) of the reasoning behind Honda not putting timing marks on some crankshaft gears and a method for timing that doesn't rely on crankshaft gear markings: "My system for getting by without a timing mark on...

I have a JD 727A ZT mower that I want to use on a 30 degree grade on my pond dam. I have fished it out of the pond a couple of times after ignoring the manual warning about mowing on slopes. Since I plan to keep violating the rules, does anyone know of a tire, ag or otherwise, that would keep...

Thanks for your reply. After I fitted the Chinese pump it immediately failed after 1 day or so of mowing. It was definitely a cheap unit unfit for rugged use regardless of its history. As for the electrical, I did a complete diagnosis (I'm a EE.) to eliminate it as the cause. I even replaced...

I have the exact same problem, with a 727A (than ran perfectly for 20 years) and HAVE replaced the coils. Nothing helped except an electric fuel pump that quit after 2 days (thanks China). I have noticed that the fuel filter (replaced several times) never fills, even when the mower is idling...