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At the shop I am currently employed at, the labor rate is $60 per hour. Clients looking for quotes/estimates work we charge a $30 fee. This gives our technicians about 30 minutes to troubleshoot the problem, pinpoint it's source, and prepare a repair estimate. If the client so chooses to have...

Yeah, take it to your Dolmar dealer right away. Have him do a complete engine check. The dealer should test run it to see if he can duplicate the problem. Perform pressure/vacuum tests, check carb over, check ignition, fuel tank vent, look things over real good to pinpoint the source of the...

Here's what they told us at service school regarding fuel shelf life: Briggs Service School: 60-90 Days Echo Service School: 30-45 Days Husqvarna School 3-4 Weeks Stihl Service School:60-90 Days Toro Service School: 45-60 days Minimum Octane rating of 89. After about 3-4 weeks fuel...

Speaking from a dealer's point of view. Warranty only covers manufacturing defects in the material and craftsmanship of the product regardless who manufactured the product. Power equipment manufacturers and power equipment dealers have absolutely no control over the manufacturing of fuel. We...

Definitely sounds like a air leak issue. Pressure test to +0.8 bar for 30 sec, and Vacuum test to -0.4 bar for 30 sec (Stihl method). Spray soap water solution all your connections, and seals. If you still can't find/isolate the leakage throw it in a bucket of water and pressurize to +0.8 bar...

What effect does lowering the intake port have on the performance of a saw? I understand it would increase the duration the intake port is open. It would allow for more air/fuel mix to fill the crankcase. By lowering the intake one is also advancing the intake timing. Does lowering the intake...

Cut the end of the fuel hose at a very sharp angle. Dip the sharp end in some two-stroke oil. Feed the sharp end through the hole drilled in the fuel tank. Reach inside the fuel tank with a long set of needle nose plier and grip the sharp end of the hose. Gently pull the hose through so you have...

Doing a pressure and vacuum test is a great idea too. If nothing else, it will eliminate some variables. If you have a severe enough crankcase leak the saw will race and run lean at idle. If you roll the saw from side to side and get wild changes in idle speed and quality you may have a crank...

You might have to put a new sparkler plug in? You know, if your power equipment don't run right, it's always the spark plug's fault. 7-10 customers that walk in to the shop I work at, believe this. It's the first thing they ask for. I had one wingnut come it ask for a spark plug for his tiller...

When you rev the saw out, does it sustain itself at 40-50% of wide open throttle? Or does it lean out and quit after reaching 50% of wide open throttle? Is there excessive exhaust smoke present as the saw is reved out? Nick

If it's a fuel filter blockage/restriction the saw will rev, lean out and quit. If there's a blockage or restriction in the fuel circuits/passages in the carb it will also rev, lean out and quit. If the inlet needle is set too high you'll load the saw up with fuel, it will rev and smoke like a...

I've seen ignition modules go stupid causing the condition described in the post. Very difficult to test for. Engine will have spark, but timing won't advance enough to accelerate to wide open throttle. I have also seen where you'll have spark, compression, properly adjusted carb, plenty of...

It sure will. But for some of the newbies trying to learn how to woods port their own saw, raising the compression isn't entirely necessary. Access to the tools required to mill the cylinder base may be a problem for some people. Simply tossing the base gasket and replacing it with Dirko or...

That saw looks damn strong in the wood. I am not hearing any 4-stroking, could be the audio or my bad hearing. It seems to hesitate ever so slightly just before it completely rolls out to wide open throttle. Carb adjustment? Anyway great looking machine. Keep up the good work, and the great...

I just completed a Stihl ms660 and ms460 build/woods port a few weeks ago. Turned out great. I dropped and tapered the lower transfers to the base of the cylinder. I also angled and smoothed the upper transfers toward the intake side of the cylinder. I widened, raised, and polished the exhaust...

Check your fuel line, and fuel filter. Those Husky fuel lines do like to dry rot from time to time. Especially between the fuel tank and cranckcase of the saw. Where it's often packed full of sawdust and you can't really see between there too well. Your carburator may be in need of a good...

This may not be the problem here. But, a while ago we sold a MS 170 to a customer. A day later the guy brought it back complaining it would start very hard and would not rev/accelerate very well. We fiddle farted around with it couldn't get it to go. Went through the Stihl engine check sheet...

Here some tips on loaning saws out: -Always include plenty of fresh properly mixed gasoline. -Always include plenty of quality bar oil. -Always make sure to include a carrying case to keep saw from bouncing around/getting smashed in the borrowers vehicle or woods. -Always include a couple...

Spend the extra money and get a good Cannon bar. Guide bars don't get any better than those. Nick G.

Try 1 1/4 turns out from lightly seated needles. Nick G.