Question about John Deere 720 730 Tractor Parts Catalog Manual ()

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Put a new head gasket in. now the decompression pedal moves but does not decompress for starting. ele. start,59 730 dis.

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I have visions of the gasket missing a hole someplace. This would NOT be good. I would first look at the pattern and see if the decompression goes through a hole in that gasket... If it does you are free to use some foul words... sometimes the gaskets look symetrical but can be reversed covering a critical hole...

Posted on Mar 19, 2011

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Model 026. when trying to cold start, why does the compression button pop out without starting?


Its ment to.!!! that's the job of a decompression button.

Procedure:
1.push on off switch into full choke position, depress the decompression button.
2.pull the saw over until it 'fires' once.
3. the decompression button would have popped back up, click the on/off switch up to half choke.
4.pull saw over and it should fire up, revving.! blip the throttle to return it to tick over.

Mar 11, 2016 | Stihl Garden

1 Answer

3.5L Olds Aurora: Had overheating. Cold air blowing, decompression in motor.


You have (at best) blown a head gasket, or (at worst) cracked the block of the engine.
Cars today, being mostly aluminum, break in this manner rather easily.
Repairs will cost you many hundreds or a few thousands of dollars. The car cannot be used until the engine is repaired.
God bless your efforts.

Jan 22, 2016 | 2001 Oldsmobile Aurora

1 Answer

My 2000 yamaha 1600 clicks when I try to start it


The clicking may be the starter solenoid. Check for a dead battery or defective solenoid.

Mar 28, 2014 | Yamaha Road Star Midnight Silverado...

1 Answer

Sl-yd5200b


If the saw is fitted with a decompression switch you need to decompress the cylinder after every pull to make it easier to start. If it doesn't have a decompression switch you need to put the saw on the ground and put your right foot firmly into the handle opening, place your left hand on the top hand bar, grip the pull handle and pull out slowly until you feel a solid wall or compression and then pull straight up fast and hard for about 8 - 10". Make sure the brake is on when starting. I have an older Husky saw and this is how I start it. It has a short pull cycle so don't try to give it a long pull like a weed whipper!

Feb 12, 2014 | Husqvarna Garden

1 Answer

Is there a decompression valve on a 2005 660 Yamaha Grizzly?


Most likely not and if there was it would be built into the valves/cam or you wold have a lever you would need to operated the decompression valve just to start it normally with the starter...

Dec 29, 2013 | Grizzly Big Bear Atv Maintenance Free...

1 Answer

My 98 xr400 will not start. It seams to be flooded but it doesn,t even sputter if I don't move the choke at all. If I put the choke on half open it almost starts but then I think it floods. I changed...


Check to see if you have spark. Put a plug in the cap and touch the cylinder , kick it over to see if the plug is sparking. I kick mine 2 or 3 times to prime the cylinder holding decompression lever in. If it pops on full choke but does not start I go to half choke. If it does not start after 3 or 4 kicks , then I turn off the choke and kick it over 5 or 6 times with the decompression lever pulled to clear it. Then I will kick with no choke or half choke. Honda's are notorious for being cold blooded so when it starts let it warm up and do not be afraid to drive a short distance on half choke till the motor warms up a little.
When the machine is hard to start after sitting I usually start by removing the carburetor and shooting carburetor cleaner through the jets and passageways.I have always found my 96 xr400 to be a dependable starter with fresh gas and a clean carburetor. If it is flooded use the decompression lever to clear the cylinder.

Dec 31, 2010 | 1998 Honda XR 400R

3 Answers

My 2005 Suzuki Boulevard Will not start most of the time. I have replaced the battery, pulled and checked the Starter Relay, Decompression Relay and the combination Turn Signal/side stand Relay, I have...


Same problem here ... 2008 C90T ... dealer no help ... in 3rd or 4th, ignition off, force it to roll backwards until you hear the piston shift ... should start then. Told it's the rear piston stopping at or near top dead center, but also told adjust the decompression will "solve" the issue; anyway, a rolling forward-start in 4th will work, too, otherwise try rolling the bike backwards until you hear, and you will know when the piston moves and then it will start.

May 08, 2010 | 2005 Suzuki Boulevard C90T

1 Answer

Decompression problems --cam shaft looks in good condition but it is not decompressing when turning over,the valves have been set at tdc @ .15 mm ,the cam is stock pn # 58436010044 the cam is sold as an...


the valve clearance is incorrect at .15mm ( .005") it should be at .010"inlet and .012" exhaust and is set on tdc but on compression stroke tdc
decompression cams have a special grind that holds the valve open for starting revolutions and as the engine rpm picks up the cam follower doesn't follow the profile any more and closes the valve
engines that utilize such a cam are motors that have a rating exceeding 3 hp on a rope pull otherwise , the piston cannot be pulled over compression past enough to get it started
5 hp lawn mowers , 10-20hp rope pull generators etc have this cam

Dec 09, 2017 | 2003 KTM 625 SXC

3 Answers

Getting my 2001 yz 426 started


hold the decompression lever in and kick it slow then let go of the decompression lever and give it a good kick without using the decompression lever.

Nov 29, 2008 | 2001 Yamaha YZ 426 F

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