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Makita DCS520

Ozhoo

Ozhoo

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Welcome to AS. You'll find lots of love for Makita/Dolmar round here. Your 520 is a pro grade saw so it's a great score at that price. Fixed up she's $2-300. Plenty of parts are online.
 
Michael Teuton

Michael Teuton

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Welcome to AS. You'll find lots of love for Makita/Dolmar round here. Your 520 is a pro grade saw so it's a great score at that price. Fixed up she's $2-300. Plenty of parts are online.
Thanks I’m hoping I can get her running as camping/hunting season is coming up. She’s getting fire but leaking gas from somewhere.
 

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Michael Teuton

Michael Teuton

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Yes it's worth repairing. Solidly built and a nice runner. Like a Stihl 026/260, just better looking. :yes:
New piston and rings are on the way. Pulling her apart tomorrow hopefully. Are these cylinders chrome lined or they safe to hone ?


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tallguys

tallguys

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New piston and rings are on the way. Pulling her apart tomorrow hopefully. Are these cylinders chrome lined or they safe to hone ?


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Never stripped one down far enough to know. Hopefully another Dolmar fan will chime in to answer this.
You might also try posting the question in the Dolmar stickies.
 
Wood Doctor

Wood Doctor

Edwin
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Yes. it's worth repairing. Solidly built and a nice runner. Like a Stihl 026/260, just better looking. :yes:
LOML took one look at my Makita 520i and said, "Do not ever sell this saw. It's the best looking saw in your shop."

p.s. She used to own a 1973 Plymouth Duster, Basin Street blue and black trim, with a 340 V8 that ran like a jack rabbit. So, I'm keeping my Makita 520i. BTW, it starts and runs like a jack rabbit also.
 
Michael Teuton

Michael Teuton

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LOML took one look at my Makita 520i and said, "Do not ever sell this saw. It's the best looking saw in your shop."

p.s. She used to own a 1973 Plymouth Duster, Basin Street blue and black trim, with a 340 V8 that ran like a jack rabbit. So, I'm keeping my Makita 520i. BTW, it starts and runs like a jack rabbit also.
That’s how I feel about all my cutting tools



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Michael Teuton

Michael Teuton

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Both the piston and cylinder were scored, so I ordered a new piston kit and am going to hone the cylinder. I also found that the gasket between the intake and cylinder was bad.


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Wood Doctor

Wood Doctor

Edwin
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Looks like a straight gas. overheated engine problem. I've fixed a couple of dozen saw engines with new piston and cylinder kits. Sometimes the cylinder can be saved, but that's rather iffy. It's usually worth trying because if it puffs smoke, you can always install the cylinder later.
 
Michael Teuton

Michael Teuton

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Looks like a straight gas. overheated engine problem. I've fixed a couple of dozen saw engines with new piston and cylinder kits. Sometimes the cylinder can be saved, but that's rather iffy. It's usually worth trying because if it puffs smoke, you can always install the cylinder later.
The cylinder walls are good except for one tiny spot that should hone out


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7sleeper

7sleeper

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I would be very careful with honing, typically these cylinders were nicasil coated and that is not too difficult to hone off!

7
 
smokey7

smokey7

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I reaerve honing as a very last step. Target the transfer spots with tge mastermind method. Once all the transfer is gone you can use a brake hone with 150 but only if its a closed port. And only in and out 2 times. Very eaay ro destroy a jug with a hone.
 
Michael Teuton

Michael Teuton

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I reaerve honing as a very last step. Target the transfer spots with tge mastermind method. Once all the transfer is gone you can use a brake hone with 150 but only if its a closed port. And only in and out 2 times. Very eaay ro destroy a jug with a hone.
I believe these Makitas are open port


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Wood Doctor

Wood Doctor

Edwin
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Michael. if you get this saw to run again, you could either keep it or sell it to just about anyone. I have three saws in my arsenal that I acquired that way. I now have in my shop a Stlhl MS362 that is another candidate. The Stihl dealer could not fix it. I did. That's the way it is.
 
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