FarmerTec Huztl MS660 Updated Build Kit - Build Thread

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No! Haha, the squish is still 0.010", and the gasket is 0.5mm/0.019"!

Piston hits cylinder head without the gasket.
 
Today I had to replace the Hlhic carb on one of my 660’s.
The inlet needle wouldn’t hold any pressure and would flood the engine. Tried a new needle and it still acted up. That carb is about a year old.
So I put a walbro WJ-76 on it.
It idles and runs way better with this carb anyway. Still running the FT piston and cylinder on this one.
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I had the same problem with gas leaking from around the elbow. I've seen others talk about this problem and recommended getting and oem elbow, but it's around $12 I think. I took mine out and saw it had flashing on the sides. I used a hobby knife and sandpaper to smooth it out and haven't anymore leaks after about 5 gallons of gas through the saw.
I put the new line from elbow to carb and it's still leaking, so I guess next time I get a chance I will pull the carb and take the elbow out and check it. I thought about putting motoseal around where the line goes into the tank and around the elbow but I'm not sure if that is a good idea or not.

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I had the same problem with gas leaking from around the elbow. I've seen others talk about this problem and recommended getting and oem elbow, but it's around $12 I think. I took mine out and saw it had flashing on the sides. I used a hobby knife and sandpaper to smooth it out and haven't anymore leaks after about 5 gallons of gas through the saw.
I took mine out today and it had flashing on it as well. I filed it smooth with a small file. It didn't seem to fit very tight so I put a small bead of motoseal around it. Hopefully it won't leak.

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I have read this entire thread, it seems like I vaguely remember something about the elbow, but can't remember the details. Hopefully the sealant will work on mine.

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Could be a quality issue. Mine has been setting for a couple weeks with gas in it and still no leak. Don't know if the sealant will hold up to the gas. You may have to change out your elbow.
 
Could be a quality issue. Mine has been setting for a couple weeks with gas in it and still no leak. Don't know if the sealant will hold up to the gas. You may have to change out your elbow.
Motoseal is gasoline resistant. Its actually a gasket maker made for 2 stroke crankcases and carbs. I will check it today after work and find out for sure if it worked.

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No leaks. I was so aggravated at this saw because of all the problems it had, but now that I have gotten them fixed, I really like it. The fast idle still doesn't work, but I can live with that.

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No leaks. I was so aggravated at this saw because of all the problems it had, but now that I have gotten them fixed, I really like it. The fast idle still doesn't work, but I can live with that.

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I hate to hear people have trouble with something they built. I published enough information to prevent problems. My saws are like real ones. The trigger shape on a Stihl is slightly different and changing out those two parts gives the fast idle back. I have enjoyed the saws without compromise. Been too hot for me to use any of them. And the gas I use will last a couple years I use the AV 100.

They were good investments

chainsaw kits and packing lists
http://thechainsawkitguy.com
http://YouTube.com/c/the1chainsawguy
 
No leaks. I was so aggravated at this saw because of all the problems it had, but now that I have gotten them fixed, I really like it. The fast idle still doesn't work, but I can live with that.

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I built my 660 for milling so I went with a Hyway big bore kit and Walbro WJ-76. I broke the pull start first start attempt so went with Hyway parts there too. Other than the broken plastic pill start and having to smooth out the fuel line elbow mine has been great. My longest bar is a 62" Forrester and has cut slabs just over 50" across . I love it! And for about $500 with a 28" bar I'm very happy LOL!
 
I hate to hear people have trouble with something they built. I published enough information to prevent problems. My saws are like real ones. The trigger shape on a Stihl is slightly different and changing out those two parts gives the fast idle back. I have enjoyed the saws without compromise. Been too hot for me to use any of them. And the gas I use will last a couple years I use the AV 100.

They were good investments

chainsaw kits and packing lists
http://thechainsawkitguy.com
http://YouTube.com/c/the1chainsawguy
I'm with you on the heat. I can't take this heat and humidity like we've had lately. I'm ready for fall weather.

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I built my 660 for milling so I went with a Hyway big bore kit and Walbro WJ-76. I broke the pull start first start attempt so went with Hyway parts there too. Other than the broken plastic pill start and having to smooth out the fuel line elbow mine has been great. My longest bar is a 62" Forrester and has cut slabs just over 50" across . I love it! And for about $500 with a 28" bar I'm very happy LOL!
Does your hyway big bore kit have the pop-up piston? I have a hyway cylinder and popup but it's not the big bore. I'm thinking seriously about building another one. I may go big bore if I do.

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Does your hyway big bore kit have the pop-up piston? I have a hyway cylinder and popup but it's not the big bore. I'm thinking seriously about building another one. I may go big bore if I do.

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My big bore is the flattop. I wasn't sure if the crankshaft rod bearing would hold up to the compression of big bore pop-up. I could only get my squish down to 0.26 but it still has strong compression. I have thought about the pop-up but it's milled through hickory, oak, and ash with no problem so I'm happy like it is. I'd rather have more dependability than a little extra power. Now if I get so I can build another 660 I'll try a big bore pop-up. I also went with an OEM decompression valve. Read too many bad things about the FT. And after seeing the FT in my kit I threw it in the trash LOL.
 
My big bore is the flattop. I wasn't sure if the crankshaft rod bearing would hold up to the compression of big bore pop-up. I could only get my squish down to 0.26 but it still has strong compression. I have thought about the pop-up but it's milled through hickory, oak, and ash with no problem so I'm happy like it is. I'd rather have more dependability than a little extra power. Now if I get so I can build another 660 I'll try a big bore pop-up. I also went with an OEM decompression valve. Read too many bad things about the FT. And after seeing the FT in my kit I threw it in the trash LOL.
0.026 on squish lol
 

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