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To close out this thread, I was able to get the mower’s self propel system working again. I purchased a new transmission then the shop manual from Honda. Even though the transmission is OEM new, it had to go through a short bench bleeding procedure before installation in the mower. Needless...

Quick update to the thread... I ended up purchasing a new OEM Honda transmission (part number above) and installed it today. There’s improvement with how the rear wheels spin, but on the grass or going uphill, the mower continues to act like a push mower, there‘s no effort given by the self...

I would consider doing a compression test or cylinder leak down test before pulling the engine apart to confirm the loss of compression. Personally, I haven't read or heard of a timing belt breaking on a Honda OHC engine yet, but I suppose it could happen. With the valve cover off, and...

Last evening I looked at the mower, but no luck. In a final attempt effort I will remove the transmission then open it up to see if I can find anything wrong. I know there’s no user serviceable parts inside. If the transmission is toast at least I can learn how it works. lol. Then I’ll buy a...

Thanks Mechanic Mark! Will give that procedure a try tomorrow then report back. Since the mower doesn’t have reverse, I’ll try each gear with the engine speed on rabbit or full speed then observe the result on the wheels. Is there a drain or breather opening which needs to be open to fully...

Yup, the engine is at full throttle. I don’t know the RPMs it’s running at off hand because the PO took the governor arm off. I reinstalled it according to a Honda guide I found online during the rebuild. The blades engage with minimal RPM drop. Both rear wheels were disassembled, greased then...

Hi All, I’m troubleshooting a problem with my project Honda HRX217HZAA lawn mower’s hydrostatic transmission. After completing the engine rebuild and getting it running, I tested all systems: blade clutch and transmission. The blade clutch works well, but when I engage the self propel the...

To close out the thread, I got the engine running last week and ended up replacing the entire cylinder assembly as suggested, but went further to replace the piston and rings too. The crankshaft was within spec as was the connecting rod and wrist pin. Started the engine and no smoke!

Quick update: Did the leak down test during the week, and the engine passed. Also, I took the piston out, placed carb cleaner in top of the cylinder to check for leaks on the valves and cylinder head casting, no leaks were found. Lastly, I got ahold of an abbreviated shop manual for the...

Sorry for the confusion on the model number, I corrected my mistake. Tonight I'll do a leak down test on it to see if there's an issue with the cylinder block. If there is, then it's time for a replacement.

Hi All, I'm trying to restore a Honda HRX217K5HZAA (the electric start model) I recently purchased used for a great price. However, is the engine is torn apart, in a tote, and previous owner said it smoked while running. "Some assembly required" is the theme for this project, but it's great...

I rebuilt a Honda HR215 HXA masters series mower last year. Best mower of the fleet and I’m glad I saved it from an untimely demise (it was someone’s parts mower and going no where fast). I have this one and a HRX217 Harmony series. Both are hydrostatic models. Between the GXV140 and GCV190, I...

Thank you mechanic mark! Both links helped answer my question.

Hi All, I’m piecing together an OEM Honda mulch kit for my HR215 HXA project mower. I purchased an OEM mulch blade, spacer, and bolts with washers. I already purchased the mulch plug and side discharge kit. I want to add the second blade for mulching, but can’t find Honda’s directions for how...

Got great news; the new pulsa-prime setup worked well!! 3-4 primes and one pull later, the was engine running! Even fixed the handle mounted kill switch so it turns off nicely too. I appreciate everyone’s help and suggestions with this project. Couldn’t have done it without your help. Am I...

Got the pulsa-prime carburetor and fuel tank kit ordered. $28 and it should arrive next week. Hopefully the speed control bracket I have on the engine will work with the pulsa-prime carb setup. Looking at the photos of the pulsa-prime carb and tank online it should match up no problem. The...

@Ocean909, I like it, that’s the way I’ll go with the project! At this point I’m at my wits end with getting the Pulsa jet to work correctly. lol. Tried starting it yesterday, still no luck. Even checked the carb/tank mounting surface for flatness before starting the engine; it looked good...

I’ve set the mixture screw 2 turns out from the fully closed (tightened) position. I’ve tried a variety of settings for the mixture screw, but none have worked to date. The tip of the mixture screw is in good condition. Looks like the manual says 1 1/2 turns for initial. Will try that then...

Update #2: got the new diaphragm installed, the engine started, revved up, then died. Can’t seem to win with this engine! lol. Well, suppose next step is to check the tank for flatness. I may be getting fuel into the tank‘s vacuum chamber. The manual Rivet’s provided has the steps I’ll...

Sorry I’m catching up on replies the from last week. I appreciate everyone’s suggestions!! Thank you SmallEngineHead160 for your detailed description between the vacu-jet and pulsa-jet carbs! The carb I’m working with is 100% a pulsa-jet. It has the two pickup tubes. I’m not sure if the...

Quick update…no change. I tried preloading the diaphragm per the shop manual link Rivets’ provided as well as replaced the choke shaft spring. The engine still won’t run properly. I have a genuine B&S diaphragm on order. If it still won’t rev after replacing the diaphragm, I‘m considering...

We may be onto something with the choke and how it pumps fuel into the carburetor. I adjusted the spring on the auto-choke plate to keep the choke plate fully open then the engine was able to maintain a running speed just above idle. It didn’t rev to full speed, but it was enough to adjust the...

Thank you everyone for the suggestions! The replacement OEM B&S breather arrived yesterday; will install then try starting the engine again. If that doesn’t work then it’s time for an OEM diaphragm as well as another round of carb cleaning. The carb is metal as well - only plastic items are...

Model: 92502 (could be 92503?) Type: 3136 01 Code: 8412110 I’ve been using 92502 3136 01 to find parts on Briggs and Stratton’s website. How do you preload the diaphragm when installing? By installing the gasket and diaphragm in the correct order, are you referring to the spring which sits...

Checked the rubber elbow going from the crankcase ventilation port to the choke of the carburetor and it appears to be in good condition. No cracks were found doing a quick soapy water test with the engine idling. Did some more research and found the problem may be with the crankcase...

Hi All, I'm working on restoring an older 3.5hp Briggs and Stratton engine with the pulsa jet carburetor which hasn't ran in 10+ years. I'm able to get the engine running, but it will only idle and not rev unless you manually flap the choke plate. I'm thinking it's not getting enough fuel...

Hi All, I'm working on restoring an older 3.5hp Briggs and Stratton engine with the pulsa jet carburetor which hasn't ran in 10+ years. I'm able to get the engine running, but it will only idle and not rev unless you manually flap the choke plate. I'm thinking it's not getting enough fuel...

Thank you everyone for the help. I was able to find the part in good condition.

I'm looking for a used, but in good shape, grass shield for my Honda HR215 HXA mower restoration project. Clips and mounting bolts would be great as well. Honda part number: 76118-VA3-P00 If you have one available for sale or know where I could try to find one, please let me know! Willing to...