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Tractorholic
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I bought a new project today. I have been tracing this mower for a while now. I spotted it in a barn when I was called to haul away some junk items. I took home a Bolens power ho and restored it. This mower was sitting in the barn also at the time. The owner had past away and his son was cleaning out the barn. The son wanted to keep the mower. A year past and i ask the son if he was doing anything with the mower and he told me he had sold it to another friend in our church. I approached this guy 6 months ago and he said he had intentions of restoring it but lost interest. He had another member of the church interested in it who had first bids. Last week I asked this guy if he had sold it and he said no and that it was for sale. He told me to come over and make a offer. I walked out with the mower for $100.00. It looks to be all there. The model is MF 7 serial number is 1590243057 The 3 could be a 8. Can anyone tell me the year made? I got the deck with it and it seems to be in decent shape also. DEck serial was mf710 serial 1590 865 097. Also what size deck is this a 38"?
 

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Electric Tractors
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Looks like you have a 1973, last yr they made the MF7.
The mower deck is a 34" cut.
You did good for what you paid.
 

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That's a nice looking 7 other than the seat. It looks like the plastic hood cap and dash are in good condition. They make a nice small mower or first tractor for kids. They are easy to handle and have a tight turning radius.
 

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Live long and prosper
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We had an MF7 for a long time. I learned to "drive" behind it's steering wheel. Wish it was still around

Yours looks to be in pretty good shape overall. Nice price too.
 
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Tractorholic
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Discussion Starter · #6 ·
That's a nice looking 7 other than the seat. It looks like the plastic hood cap and dash are in good condition. They make a nice small mower or first tractor for kids. They are easy to handle and have a tight turning radius.
The hood cap is in great shape, the dash looks good on the outside but today when i was power washing it, i noticed under the hood where the plastic bolts to the frame some cracks around the holes. Still very solid. I agree on the turning radius. It is none running as of now till I get a battery bought and then we will see what happens. I do know the throttle cable is very tight. I get very little action on the carb when mowing the lever. Any Ideas as to what to soak the cable with or should I just replace it?
 

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Tractorholic
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Looks like you have a 1973, last yr they made the MF7.
The mower deck is a 34" cut.
You did good for what you paid.
Is this a 7 horse motor?
 

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You can usually free up those cables. Check it to make sure it's not bent anywhere. The ones on my 74 MF8 are original and move like new. You can put some penetrating oil on them and try to get it freed up. After it's running smooth I'd dunk it in paint thinner to get any remaining dirt and oil out of it then I would use a very light oil or maybe even a silicone lubricant on it.
 

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Tractorholic
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Discussion Starter · #10 ·
Yes suppose to be a H70 Tecumseh 7hp.
Were these pretty good engines? What about paint? Any heads up's as to where to get the silver and red at?
 

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Electric Tractors
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Were these pretty good engines? What about paint? Any heads up's as to where to get the silver and red at?
Not really a long lasting durable engine, they are Aluminum block with NO cast iron liner.
I get Paint from the Massey dealer.
 

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Tractorholic
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Discussion Starter · #12 ·
Well I got a new battery today and installed it. The starter cranked fine but no fire. I had a buddy with me who I consider motor smart. We took the plug out and did not see any spark. I grabbed a good spark plug from another engine and got a couple good sparks then none then maybe 1 little one and so on. HIs first thoughts were the condencor was bad. We check for compression by putting my thumb over the spark plug hole and cranked the engine. It blowed my thumb off the hole
. So my next step is to find a condensor. Any leads to as if I am going the right direction? I assume a good spark is where I need to start? Before I tear into it is the condencer internal or external? I am going to say this mower has not ran in 10-15 years. could the flywheel be rusted up and just need a good cleaning? Whats your thoughts?
 

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Tractorholic
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Discussion Starter · #13 ·
You can usually free up those cables. Check it to make sure it's not bent anywhere. The ones on my 74 MF8 are original and move like new. You can put some penetrating oil on them and try to get it freed up. After it's running smooth I'd dunk it in paint thinner to get any remaining dirt and oil out of it then I would use a very light oil or maybe even a silicone lubricant on it.
Thanks for the info Brian. The cable is freed up some and is moving now. Still working it back and forth. Used penitraiting oil on the cable, there was no bends. Does your throttle lever go all the way to the top of the slot and all the way down to the bottom? MIne seems to travel only say 3 inches of the 5 it can. Short 1 inch from the top and 1 inch from the bottom of the slot. Am I expecting it to go all the way up and down like the choke lever and its not designed too?
 

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Mine both seem to go the full distance. Mine however, are not installed on the tractor right now as it's being restored. There should be 2 stops on the plate that the handle attaches to. The stops limit the travel of the lever at both ends on mine. If yours are hooked up to the engine then I'm not sure if they both travel the full distance.
 

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Looks good! Other then a little surface rust on the silver parts, It looks very good! Good luck with it!
 

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Tractorholic
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Discussion Starter · #16 ·
Well its been a good day! Got off work at 5:00am this morning and hit the shop. Got points and condensor bought and was going to install them this morning. Thought i would crank the engine one more time with a different spark plug before tearing into it and see if i had spark today. Low and behold this plug sparked like it should. I got the starting fluid out and sprayed a little in the carb and she ran for 3-4 seconds.
Now this was good news. I did this about 10 times but she just did not seem to be getting gas. I drained the tank of all the old gas and noticed there was very little smell to it. I then decided to clean the carb and check the float. After removing the carb and doing a minor teardown and seeing that everything was looking good i put it all back together. I put in fresh gas, cranked it and still no go. She would run fine for 3-4 seconds with a squirt of starting fluid. Now don't laugh
because i am a rookie at this. For some reason i decided to take out the needle valve in the bottom of the bowl to see if gas was getting to the bowl. Sure enough drip drip drip.
. Then for some reason I decide to not seat the valve and screw it in then back it off a little. Cranked it again and bang off she went, black smoke and all then it cleared up. With some quick adjustments she was running pretty smooth. I let it run for 10-15 mins just grinning ear to ear. So now i thought lets get brave and drive it somewhere.
I get on and put it into gear and nothing.
I shut it down jacked it up thinking there was no drive belt or it was broke or worse the trans in bad. Guess what the belt was there but was on the shaft up by the engine instead of in the gear. I did a quick belt fix and started her back up and backed her out of the shop.
I spent the next 30 min running around the yard and driveway. I still have some adjustments to do with the carb and throttle cable but she ran pretty good the whole time.
Tonight I got a call from the previous owner and he tells me he found the original manual for it and that i could come over and get it. He was thrilled that I had got it running also.
It's been a great day so I took tonight off work. Yes I used a vacation day.
 

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Tractorholic
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Great News! I enjoy my little MF8. Very nice cutting deck and very nimble little tractor.
 
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Tractorholic
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Discussion Starter · #18 ·
Great News! I enjoy my little MF8. Very nice cutting deck and very nimble little tractor.
Ok I need some carbarator help!
I cant seem to get this mower to idle down.
When it warms up and I reduce the choke to zero it wants to die. I have to leave the choke on just a little bit. Same thing with the needle valve on the bottom of the carb bowl. any more or less then a 1 and 1/2 turn out it wants to die. I thought this was the idle adjustment screw. As you can see I am a mess with these. Does anyone have a good photo of thier mf7 carb to compare it to? I question if it is the right one for the mower. Also any adjustment tips would be appreciated. I have very little movement at the carb when i move the throttle cable up and down. The wire moves but does very little action at the carb itself. I may have a spring missing somewhere and don't know it. Also today i was running it around the yard and everytime I pushed the clutch to stop, the belt wanted to roll off the pully at the engine. Can some one show me a photo of how the belt guards are suppose to look to keep the belt in line
? The manual shows a clutch adjustment, do i need to do this and will it help keep the belt on?
 

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Tractorholic
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Ok I need some carbarator help!
I cant seem to get this mower to idle down.
When it warms up and I reduce the choke to zero it wants to die. I have to leave the choke on just a little bit. Same thing with the needle valve on the bottom of the carb bowl. any more or less then a 1 and 1/2 turn out it wants to die. I thought this was the idle adjustment screw. As you can see I am a mess with these. Does anyone have a good photo of thier mf7 carb to compare it to? I question if it is the right one for the mower. Also any adjustment tips would be appreciated. I have very little movement at the carb when i move the throttle cable up and down. The wire moves but does very little action at the carb itself. I may have a spring missing somewhere and don't know it. Also today i was running it around the yard and everytime I pushed the clutch to stop, the belt wanted to roll off the pully at the engine. Can some one show me a photo of how the belt guards are suppose to look to keep the belt in line
? The manual shows a clutch adjustment, do i need to do this and will it help keep the belt on?
Well here's a update. Had the neighbor guy come down and talk me thru the carb. We now have throttle range, hi and low. We got to looking at the drive belt and noticed it was not tracking right.
Get this, are you ready for it??? The dual pully on the engine was on backwards! After we took it off and turned it around things started lineing up. The belt guard for the drive belt went into place better. Now I have 1 question? The other belt guard the square one, how and what does it cover? Does it keep the short attachment belt in place or does it have anything to do with the drive belt?
 

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Electric Tractors
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The pulley on the engine should be with the larger one inside close to the block transmission drive, and the smaller one on the outside for the PTO drive.
 
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