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Porting new saws vs used saws?

pwheel

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Seems clear that porting used saws is asking for trouble, probably sooner than later.
 

Mastermind

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When my son in law was working with me we did lots of rebuilds. With the right tools, a proper rebuild ain't anything stressful. Well....until you realize that the bearing pockets are beat out.....or the crank spins in the bearing, or half the bolt holes are stripped out, or that 50% of the saw is aftermarket, etc......

Plus they smell up my work space.
 

Lightning Performance

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Did I mention that used saws smell bad too?
Wait you port new chainsaws to make them loud and scary. Then you sniff cattle *s-word in your spare time?
Asking for a friend.



If you work on used saws and buy them to repair your better off than doing loggers repairs imo. That said the grease and grime sucks but you charge for that. If it's beat or cooked we have an open budget or don't send it. Near new or near new is always better. I don't like working on saws with wasted crank bearings and will send them back to the owner if they are not on-board for a new crank before the case gets split just in case it's roached. Your problems are not going to be my problems. Many repair shop guys taught me that and learned it first hand. Now most times a suitable OEM can be found used. Sent one to another guy building a saw he sent out. It needed a good tight crank to crank up the power. The saw will be done up right by a pro builder.
 

Tinkerer Carver

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Did I mention that used saws smell bad too?
Tell me about it. I just opened up the future father in law’s 260 and the gas smelled like straight varnish. Just nasty. And thank you very much for the input. It means a lot to me just starting out with this side of the chainsaw world.
 

drf256

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We didn’t include redoing a saw that’s already had a bad porter in it. The 3rd and worst type.

I recently redid a JMS saw for the second time for a member. Anything Jason got his hands on was no good, it’s almost like he built shít out of parts that none wanted.

In round 1, I told the customer that I wouldn’t redo porting without a case split and a redo of everything. I do recall the PTO crank being a bit too easy to push into the bearing on that side (I think). The saw ran for a short time, then it didn’t. The carb had some major issues as well that couldn’t be remedied, even with a new nozzle.

Round 2. The new Flywheel side SKF 6202 got taken out. The seal fell out into my hand when I split the case. The bearing was shot. Head scratcher for sure. Crank around .001 too small on the PTO side piece that rides in the bearing race. Chuck crank up on the lathe and the face on that side is out. Someone must have Emory clothed it on one side only and the wobble is likely what took out the fly bearing. Had to pull and clean my builder case crank and give it to the customer. Then, of course, 2 of 3 coil bolts were stripped-one was ok during round one, not sure what happened. Entire inside of saw was coated with grey goop-if you’ve been in a saw with ground metal you know what I mean.

So after a new crank, another flywheel, new bearings, around 4 timeserts, new seal/gasket kit and a used and rebuilt carb the saw runs again. I actually offered to buy the saw, it was that frustrating.

So, I’ll never touch a saw that’s been ported by another again, as in ever.
 

Duane(Pa)

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Jason Stratton (named for google hits)
Not only a thief, but also the worst saw mechanic to walk the face of this planet
 

Sagebrush33

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Hello, I am new to the forum and have been poring through all of the porting threads. For some background, I work at a woodcarving shop and have used power tools most of my life. I have loved every thread, but I can’t seem to find anybody mentioning porting a new saw vs a saw that is broken in or used and old. I am curious to hear what you all think. Thank you for any information.
Welcome to the site. I am a newer member here myself and just getting into rebuilds myself. Porting will come further down the road. I used to turn wrenches for a living years ago at a automotive speed shop. It was nice working on drag cars. They're always pretty clean. We did work on the everyday driven jalopies and I can second, working on grease traps sucks. Greasy saws aren't much better. The exception being they're on a bench and not overhead on a lift. I have worked on a few friends saws that were neglected. All simple stuff though, like replacing a coil, broken plastics, intake boots, fuel/impulse lines, a brake band ......
all simple stuff, made frustrating from hours of abuse ..... and grime build up. At least, their mess was limited to the bench top. I've yet to split a case and go deeper. This will happen rather soon as to I have a couple of my own to go thru.

I hope you enjoy your new adventure and this site.
I do. Good peeps here.
 
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