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Have a mastercraft snowblower its only 3yrs old hardly used.its hard startting cleand carb .when its starts know its leaks oil out the vent tube its a tercumse4 hp.any ideas.

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  • Expert
  • 109 Answers

Change oil, change fuel filter, check valve adjustment,

Posted on Jan 10, 2013

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Posted on Jan 02, 2017

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jackiaria
  • 350 Answers

SOURCE: 2001YZ426F oil blowing out vent tube

Dear pmg1, Sat 02-21-2009 5:37pm EST (USA)

RE: 2002 Yamaha YZ 426 F
or
2001 YZ426F

"Hard to Start if any and/or Oil Blowing Out Vent Tube"

RE: ABOVE is what I'm reading @ the fixya Site @
http://www.fixya.com/PostAnswer.aspx?thid=1695323&prdid=986097&ctgid=391 so.......

Is your Yamaha a 2000 or 2001?
Did You try to start it several times, then it kicked in a little, then a little more, then
started spitting oil and won't even start?
Has it been sitting for quite some time?
Did you put new gas in it?
If so...................................................
Check the OIL and replace if needed..........................................
Put in a can of high test GAS...Spend at least $10.00!.................
Spray a lot of Starter Fluid ($3) into the Air Intake........................
Crank Engine!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !

When you get it running, IF IT'S STILL BLOWING OIL .............................
Add a can of CRANKCASE SEAL'S LEAKS (less than $10) for conditioning
the seals............................................and......................................................

NEVER USE YEAR OLD GAS AGAIN AND ADD FUEL CLEANER AT
EVERY OIL CHANGE!

jack
b806e68.jpg

Posted on Feb 21, 2009

  • 1 Answer

SOURCE: hard to start yz250 dirt bike 2001 4stroke

i used to own a yz426f and it had the exact problem... a fresh plug will fix your problem. change the plug and the bike will run great. also don't start the bike and shut it off , my bike would be fine if i started it and rode for a while getting to the proper heat range help save the plug. if my bike didn't start in one or two kicks it was usually the plug.



hope this helps

Posted on Apr 05, 2009

tundrajet
  • 80 Answers

SOURCE: kx250 gearbox/drianplug leaking

There is pressure in the crankcase when the engine is running and when you rev it up this pressure increases. Oil pressure inceases with RPM and yes the oil will get frothy under pressure.

If you suspect the drain plug is leaking then remove the plug and wrap the threads with teflon tape and reinstall the plug, this should prevent the plug from leaking.

Posted on Jun 07, 2009

  • 636 Answers

SOURCE: Fuel leaking from carb vent tube on newly cleaned carburetor

that would be either the float set to high or the needle and seat is missing an o-ring while you had it apart. Should look at getting a carb kit there only approx. 23 bucks and it would save you a lot of grief in the long run.

Posted on Jul 26, 2009

  • 105 Answers

SOURCE: fuel leaking out of airbox breather tube

hello, sounds like you need to set floats in carb, if you have already done that, buy new floats, sounds like one or more of your floats are bad, when you cleaned carbs, did you check and see if any gas was inside the floats, sometimes they will get a pinhole in them, then they will fill with a little gas, and they wont turn gas off, because they cant float in the gas, the carbs are letting gas run through intake down into motor, always turn gas off when not riding your bike that might help a little,

Posted on Feb 01, 2010

Testimonial: "I am very grateful for your advice regarding fuel leak from airbox breather. Would never have thought of pin holes in floats.thank you."

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1 Answer

Mastercraft Snowblower 8hp28inch cut.Snowblower starts to miss and run rough after it is warmed up what is the problem


This link should help:

http://www.fixya.com/search.aspx?cstm=0&_s=manual+for+a+Mastercraft+8+Hp+snowblower

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I have a 1996 Ariens ST-24 snowblower that is hard starting. When it does start it runs just fine. The Tecumseh engine has a primer and I run synthetic oil, 5W30 Mobil 1 and use non-oxy gas with Sea


You could have a hole you cant see in the primer or line to the carb. They vibrate and rub. Make sure you DONT use eco gas. This will turn your gaskets to trash in one summer of not using it. Lastly dump out the old gas and start with new. Snow blowers are famous for condensation building in the tank. Hope I helped

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Yardworks snowblower will not start with electric cord and to hard to crank


too hard to pull may indicate that it is hydrolocked. Fuel from the carb may have leaked into and filled the crankcase. Check the oil level and see if it is very very high. Watch out! The fuel makes the oil level very hard to see. If the oil is filled with gas than not being able to start is a good thing. The motor wont get enough protection from wear with that much gas watering it down! If the oil is watering down then drain it out and get some fresh oil. Make sure you turn off the gas between uses to prevent the carb from dumping fuel. Get the carb serviced to fix the problem too.

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My mastercraft "deluxe" 8 hp, 26" snowblower won't


Could be dirt in the carb. If this engine has a fuel cup on the bottom of the carb take it off and clean it out and clean the fuel jet. It is the little screw that has a little hole through it. If this has any dirt in it the engine will not run. A lot of engines I get in this is a quick fix as most people do not run the old fuel out before they store it for the summer. Check the spark plug as well and see if there is wet gas after trying to start. Maybe your choke is not working.

Oct 26, 2017 | Garden

1 Answer

I have 5700 Mcculloch generator and when I open the fuel line it starts leaking from a hard black rubber next to the carburator


remove the filter and look down the tube if the carb is filling with fuel then the float needs adjustment or replaced from sinking the tube if it is the one that attaches to the side of a plate on the engine block then replace the oil do to your filling the case with gas this ia is vent tube that attaches from the plate to the carb just under the filter you may have to rebuild the carb about $20.00 for the kit and $6.00 for a float. hope this helps

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1 Answer

I have a Mastercraft Snowblower that wont run. The primer hose is disconnected and I dont know where it is supposed to be connected to


there is a small tube on the side of carb that it hooks to,some times you need to pull the cover off the carb to see it.the other end goes to primer bulb.

Feb 23, 2009 | Garden

2 Answers

2001YZ426F oil blowing out vent tube


Dear pmg1, Sat 02-21-2009 5:37pm EST (USA)

RE: 2002 Yamaha YZ 426 F
or
2001 YZ426F

"Hard to Start if any and/or Oil Blowing Out Vent Tube"

RE: ABOVE is what I'm reading @ the fixya Site @
http://www.fixya.com/PostAnswer.aspx?thid=1695323&prdid=986097&ctgid=391 so.......

Is your Yamaha a 2000 or 2001?
Did You try to start it several times, then it kicked in a little, then a little more, then
started spitting oil and won't even start?
Has it been sitting for quite some time?
Did you put new gas in it?
If so...................................................
Check the OIL and replace if needed..........................................
Put in a can of high test GAS...Spend at least $10.00!.................
Spray a lot of Starter Fluid ($3) into the Air Intake........................
Crank Engine!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! !

When you get it running, IF IT'S STILL BLOWING OIL .............................
Add a can of CRANKCASE SEAL'S LEAKS (less than $10) for conditioning
the seals............................................and......................................................

NEVER USE YEAR OLD GAS AGAIN AND ADD FUEL CLEANER AT
EVERY OIL CHANGE!

jack
b806e68.jpg

Feb 21, 2009 | 2002 Yamaha YZ 426 F

1 Answer

Snowblower runs then quits


check to see if gas cap vent is clear . its the little pin hole at the top of cap . if not clear it will cause a vacuum and stop the flow of gas ... good luck

Dec 19, 2008 | Mastercraft Garden

1 Answer

Mastercraft snowblower will not start


if old gas was left in the tank and not flushed it makes the carb stick and won't allow the proper gas flow to the motor...I would first test the plug by verifying it has spark..if it does what i do at times is quickly spray some quick start in the plug chamber and reinsert the plug and try to restart...this at times will get the spark going and allow the motor to start.....you can also try to spary some in the carb before starting...just a squirt or two....the best thing to do is actually clean out the carb as it is likely the issue.....hope this helps

Dec 18, 2008 | Mastercraft Garden

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