25cc 4-cycle Mini Tiller

I need to remove the tines so I can grease the transmission. I removed the locking pin and with leather gloves tried to pull out tines.. did not work. I sprayed rust/bolt remover.. did not work. Tried to use the hammer in a way I would not damage the tines.. did not work on either right or left side. I thought of using heat with a torch but I'm afraid will do damage somewhere else. Any suggestions? Thanks

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The oil capacity is approximately 2.7 ounces.
This engine is certified to operate on unleaded gasoline with a pump octane rating of 86 or higher. We recommend refueling after each use to minimize the air present in the fuel tank.
Honda 10W30 4-Cycle Engine Oil (1 Quart)
Engine Maintenance

Because your tiller operates in dust and dirt, oil and filter changes are more critical than for lawn mowers and most other lawn and garden machines. At the very minimum, you should change the oil after 50 hours of use or at least once a year. If the oil looks dirty, change it more often.

SAE 10W-30 Premium 4-Cycle Engine Oil.
The FG110 is a compact 29lbs. It`s easy to transport and manuever.
Honda has designed the car to run on regular unleaded gasoline, which can be found in most gas stations at a much more affordable price point. Premium gasoline may offer higher octane levels that can help reduce engine knocking, however it may not be necessary.
When Should a Tiller be Used? Garden tillers are used to break up hard ground and prepare the garden bed for planting. Tilling is essential for new garden beds and should really be considered a requirement. Your soil health is greatly improved by tiling and it makes planting seeds easier.

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Motor runs but the tines want turn – Honda 25cc 4-cycle Mini Tiller
ANSWER : Either the clutch is gone or the transmission gear is stripped. These need to be properly greased annually so that this happens less. The transmission replacement can be done but the dealer will charge you about what you paid for it ($250) or if you know someone handy they can order the parts here: http://www.planopower.com/store/honda/fg100.shtml and rebuild it for you. It would cost about $85 for a full transmission rebuild.

Good luck.


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Where can I find parts for Honda mini-tiller FG100?
ANSWER : 1- http://www.alamia.us/category_s/777.htm?gclid=CMKhnqnT9JoCFQoMDQod7U3Ndw

2- http://www.planopower.com/store/honda/fg100.shtml

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I have a honda fg-100 that the tillers do not rotate. I have taken the tran apart and all the geears look good. So i checked the clutch. I cant tell if the clutch is worn. How thick are the pads suposed to be. The spring holding the clutch p;lates apart seems very strong.
ANSWER : I had the same problem. The gears inside the tiller housing are seized. I had my brother take it apart and that’s what he saw. He cleaned it up really good (which un-seized the gears) then repacked it with some really good grease and slapped it back together. This thing is working like a charm. The repair shop said I’d be better off buying a new one for $300, yeah right..lmao!!

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Tiller tines will not turn. Engine runs fine…
ANSWER : Well hopefully it’s not the transmission, as sometimes these tend to go. Another common but cheaper repair are the two bearings where the tines connect to the unit.

MORE THAN LIKELY.. The bearing is located above the worm gear housing, the part connected to the tines beneath the guard. This removal can be somewhat frustrating but if you remove it and remove the engine flange you’ll be able to manually spin the drive shaft and see if it’s the worm gear housing/lower bearings or if it’s the more likely bearing on the clutch drum or the clutch itself.

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The tines don’t want to turn motor runs great
ANSWER : You may have a clutch burned up. The transmission may need replacing. we had one in the shop earlier this year and the same thing happened to our customer. We tore it down and found some gears needed replacing but Honda does not sell the parts separately. You have to buy a new transmission. And they run about $300.00 USD. Check with your local dealer, see what they might be able to help.

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Honda mini tiller cuts off when start tilling. runs great when held above ground with no load. cut off seems to be associated with the movement and shacking when tilling ground.
ANSWER : Hi thermo259, sounds like the high speed adjustment is lean, find the high speed screw and turn it counter clockwise 1 half turn and see if that helps. Should cure it.

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How do you change the oil on a honda fg100 – Honda 25cc 4-cycle Mini Tiller
ANSWER : Lay the unit face forward so it is laying on the gas tank and the engine is level. Fill through the dip stick access until oil is up to the bottom lip of the threading.

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Just purchased a new FG 110 tiller it seems to run fine for a while then I have to release the throttle to keep it from stalling out. It has less then 20 minutes of use. I have installed the oil. It will start back up immediately but then dies again. What is problem? Or should I return it now.
ANSWER : It sounds like you may have a “lean” carburetor mixture setting on the high side or full throttle. This carburetor may have limiters or special screws that will make it difficult for you to adjust. You may try contacting a dealer to see if they could try adjusting it for you or just take the unit back.

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