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Shindaiwa piston install arrow on top whitch way ?

Shindaiwa piston install does the arrow on top point to the intake or the exhaust ?

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Posted on Jan 02, 2017

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SOURCE: Which way to install a piston in husquvana chainsaw

Hi howell curti

The arrow on the top of the piston go towards the exhaust.

best wishes savumihai71

Posted on Nov 29, 2008

  • 6 Answers

SOURCE: I have a 1994 honda

the arrow always goes towards the front of the engine

Posted on May 10, 2011

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Which direction does piston face on 2001 kx 125 show picture


there is normally an arrow or numbers that point to the exhaust port on the top of the piston , also there are intake ports that should line up to the piston !

Nov 24, 2013 | Motorcycles

1 Answer

1971 ducati 350 scrambler how do u set the timeing


Set the piston to TDC (top dead center) this is the higest point the piston will rise before moving on to the down stroke, either by lining up the marks on the crank rotor or a long screw driver (large handle so it wont fall in) down the plug hole and watch for the highest point lock or hold at this point. The cams should be fitted next on the 'compression' stroke meaing the all valves should be closed when the cams are seated (no valves being pressed by cams) generally at this point the cam lobs face away from the valves, next stroke down (ignition of fuel) valves should be closed with the exhaust cam moving round ready to rock on to the exhaust valve as the piston rises to the top again (4th stroke exhaust) as the exhaust valve lobe rocks off the intake cam lobe should be starting to rock on opening the intake valve on the down stroke of the pistion.
Trun the engine over by hand to make sure no valves are knocking the piston.
Should be as follows
1. all valve clearance free/rocking at ' TDC 1st 'down' stroke (ignition of fuel) valves closed exhaust moving round but not pressing valve ,
2. 2nd stroke 'up' exhaust valve rocking open and closing as piston tops with the intake ready to rock on as the exhaust closes and piston tops (exhaust),
3.3rd stroke 'down' (intake of fuel) as the piston moves down the intake valve should be opening.
4. 4th stroke 'up' compression of fuel all valves rocking closed as the piston rises for the compression stroke back to TDC all valves closed/rocking free.

Intake, compression , ignition and exhaust. (**** squeeze bang blow)

Feb 23, 2012 | 1972 Ducati 350 Scrambler

1 Answer

How do i set the timing on a yz450


Set the piston to TDC (top dead center) this is the higest point the piston will rise before moving on to the down stroke, either by lining up the marks on the crank rotor or a long screw driver (large handle so it wont fall in) down the plug hole and watch for the highest point lock or hold at this point. If cam sprocket has marks line them with the cylinder head surface (sometimes the sprocket bolts) parallel.
The cams should be fitted next on the 'compression' stroke meaing the all valves should be closed when the cams are seated (no valves being pressed by cams) generally at this point the cam lobs face away from the valves , next stroke down (ignition of fuel) valves should be closed with the exhaust cam moving round ready to rock on to the exhaust valve as the piston rises to the top again (4th stroke exhaust) as the exhaust valve lobe rocks off the intake cam lobe should be starting to rock on opening the intake valve on the down stroke of the pistion.
Trun the engine over by hand to make sure no valves are knocking the piston.
Should be as follows
1. all valve clearance free/rocking at ' TDC 1st 'down' stroke (ignition of fuel) valves closed exhaust moving round but not pressing valve ,
2. 2nd stroke 'up' exhaust valve rocking open and closing as piston tops with the intake ready to rock on as the exhaust closes and piston tops (exhaust),
3.3rd stroke 'down' (intake of fuel) as the piston moves down the intake valve should be opening.
4. 4th stroke 'up' compression of fuel all valves rocking closed as the piston rises for the compression stroke back to TDC all valves closed/rocking free.

Intake, compression , ignition and exhaust. (**** squeeze bang blow)

Feb 22, 2012 | Yamaha Motorcycles

2 Answers

Does valves have to be closed when engine is at tdc on 2002 mitsubishi eclipse 2.4


The valves for any given cylinder will be closed when that particular cylinder is at TDC and on the "firing" cycle. Since 4 cycle engines have four "cycles" the piston can be at TDC twice. Once for firing and once when the exhaust cycle is completed and the intake cycle is starting.

Cycle 1: Intake valve is open and piston is travelling DOWN. (Intake)
Cycle 2: Both valves are closed and the piston is travelling UP (compression)
Cycle 3: Fuel has been ignited and the piston is travelling DOWN ( power)
Cycle 4: Exhaust valve is open and the piston is travelling UP (exhaust)

TDC is Top Dead Center, or the point that the piston is at the top of it's travel.

Jun 11, 2011 | Mitsubishi Eclipse Cars & Trucks

1 Answer

On top of the piston there is an arrow with the letters AB what does this keen?


just looked at a couple of pistons not sure what the letters mean ,,,but when installing the piston make sure the arrow always points to the exhaust port of the cylinder

Mar 29, 2011 | Husqvarna Chainsaw Piston Kit for 61...

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Which way is the correct way to put a piston in a Yamaha yz426f


Most new piston will have arrow mark you place it so arrow is pointing forward - the other option to cross reference is you need the two recess to be at the front facing forward and the 3 recess to be at back as you have two exhaust valves to clear at front and 3 intake valves to clear at the rear

Jan 29, 2011 | 2003 Yamaha YZ 450 F

1 Answer

I took engin apart now need to no how to set the timing on my drz 250 2002


Since you have taken apart the engine I am going to assume you have some basic mechanical knowledge.
If I recall correctly, the camshaft sprockets have #'s 1,2,and 3 on them with lines or arrows.
With the piston set on TDC, the marks on the flywheel and cover should line up.
Install the exhaust cam with the #1 pointing forward lining up with the cylinder head surface. The #2 on the same cam should be pointing upward.
The #2 arrow or line should be pointing at a pin in the cam chain. This is pin #1. The intake cam should be installed so that the #3 arrow is pointing to pin #15.
I do not have the manual with me, but to the best of my recollection, this was the procedure.
Good luck.

Jun 28, 2010 | 2002 Suzuki DR-Z 250

1 Answer

Which way to install a piston in husquvana chainsaw


Hi howell curti

The arrow on the top of the piston go towards the exhaust.

best wishes savumihai71

Nov 29, 2008 | Garden

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