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BTW, I have not worked on this unit since my last post. It's not over, just delayed. I have a priority project that needed attention. I still have not tested/ruled out the reluctor pick-up on the crank. As it stands right now, I'm guessing the crank shaft key is tweaked. I'll probably just...

Yes, Messicks is great. I ordered a bunch of parts from them.

Yes! All the used parts I bought were from Muffs. Excellent vendor. 110% positive feedback from me. I hear you on the dealer service, but my gut keeps telling me I will regret it. I'm long past naive enough to imagine a positive outcome. I know, "glass half empty" and all that. If the...

oh yeah, ill definitely keep this thread updated as I make progress. I don't own an oscilloscope currently so, Ill have to borrow or buy one. I'm with you, nearly out of ideas. It's a unnecessarily difficult situation with the limited ability to see what the ecu is doing, unfortunately. The only...

Good morning, Yes, I had run the engine prior to removing the evap system and yes, after deletion, I capped the port at the throttle body. It didn't seem to make the engine run any worse by deleting it. I actually removed it in hopes it would improve or eliminate the issue. I believe you are...

Sorry, I somehow missed this. I did remove the entire fuel evap system. It just seemed way over complicated for the application and a possible location for a vac leak. This machine didn't run at all when I bought it. It's got somewhere around 1500 hours on the clock. It had a blown...

Yes, that's the one and yes they did. The shop manual shows the removal of the undercarriage and separation of the engine from transaxle to service it. There might be guys out there who have had luck taking shortcuts splitting these apart but I typically don't do shortcuts on my 1st rodeo.

Thanks for taking an interest. I'll try to answer all the great questions below, in the order you asked. 1. I did get the head torqued to factory specs finally. I had to replace all of the head bolts with new and had to buy another new head gasket to get this correctly repaired. 2. Using a...

:LOL: "kitty cat in the exhaust" = not any more - assuming you are referring to the metal packing in the tube that was pinned in just before the spark arrestor. That went bye-bye already. I've been reading about and researching the MS a good bit already. This is "escalation of commitment" at...

I actually considered using a small hole saw to bore a hole through the transaxle housing. I just want to know if the flywheel is wandering on the crankshaft. I'm fully prepared to install the MicroSquirt ECM, which involves a new crank trigger anyways. If the flywheel is destroying the crank...

Anyone think this little $2 part is my issue? Or maybe it's the coil (#050)? Either way, it's a lot of work to even look at them.

I decided to dig out my timing light and see what I could see with it. I didn't take the timing cover off or anything, just hooked it up and let is strobe while the engine idled. It did not look proper in my opinion. It had a pattern of slow with miss, followed by fast and then back to slow/miss...

yes I did check the ECT. Post 29.

I deleted the canister as a possible remedy and it made no difference. I think it does allow the fuel vapor to flow when the fuel tank pressure is above atmospheric somehow. I believe it's the small check valve that makes it all work.

Today is 7/14/2024. I started working on this thing mid-April. That's about 3 months I've been chasing whatever gremlin exists in this engine. To recap: 1. Bought it with a blown head gasket for $1k. 2. Changed the head gasket (about $500 with other consumables), was misfiring badly. 3. Started...

I deleted the canister with no improvement or issues to the operation of the engine. I just T'd the 2 vent ports on the tank together and ran the vent line up to where the plastic check valve originally was. Similar location to the transaxle vent location. I found a rubber cap to seal off the...

I checked both IAT and ECT sensor's. Plotted their range in Excel and they are fine. I attempted to splice a vacuum gauge into the MAP circuit to see if I could get any readings but the engine would not start. I guess the volume of the added hose and gauge altered the signal too excessively. The...

Have not figured out the "live" crank sensor test yet. I did do some testing centered around the throttle body. Specifically, I experimented with the fuel evap system and the pcv system. Basically, I removed the vacuum connections for both and plugged them to see if there was any difference in...

good point. in fact, I've been researching aftermarket ECU possibilities, just to know whats out there and learn more about the topic. Have you ever heard of Speeduino? I never knew it existed and it looks very interesting...and cheap. I spent thousands on a Holley Terminator system for my...

It's just too many components and too complex for the application, IMO. It could conceivably cause issues if it malfunctions. A vacuum leak? In fact, once the weather cools off a bit, I'll be doing some testing to see if capping off that vac source from the TB has any effect on how the machine...