Reading piston wash

Author: stxw

August undefined, 2024

WebFeb 14, 2010 · I used some .125 solder and bent it into the shape of an L, stick it through the spark plug hole so that it touches the side if the cylinder above the wristpin and turn it over by hand (turn clutch) do this on each side of the piston, 9 … WebJul 3, 2016 · My understanding of reading piston wash is that it is a great way to evaluate your engine's entire combustion process and tune. Meaning that it isn't just for determining lean/rich conditions. We know that changes to timing effect when the intake charge is …

Piston wash - Greenhulk

http://www.mmec.net/diagnostic.htm in most cases, 'reading a piston' can only be done when the engine is used at high rpm (on the power peak). You do not jet by it but you read the port flow. If you are using pump fuel, you cannot 'read' internal parts for jetting (piston, spark plug) due to all the additives. elementary school organizational chart

How to check Piston Wash??? Hardcore Sledder

WebDec 16, 2003 · 112 Posts. #2 · Dec 15, 2003. Piston wash is the actual washing of the piston crown in the area of the transfer ports. Too much fuel and you will have a LOT of wash (rich), too little fuel and there is no wash ( lean). The wash will look like clean spots about the size of a finger nail right at the edge of the piston where the transfer ports are. WebNov 17, 2005 · with any engine mods, spend some time on a lake with your "bend a lite" reading piston wash at various throttle positions. I have mine with me at all times. [attachment=113626:attachment] I never had any burn down issues with 340 mains when the piped engine was stock. Attachments bendalite.jpg 71.8 KB Views: 115 87gtNOS … WebAug 8, 2014 · Reading piston wash is much easier than reading a spark plug but it takes a little time to build up enough carbon on top of the pistons to get good wash readings. Spark plugs can be read immediately if you know what you're doing. The key is to start rich and lean down from there. Having a hand held digital temperature gun will also help. football referee belt timer

2001 thunder-cat with D&D pipe set Hardcore Sledder

WebThe piston top will be washed clean of carbon and be a new like silver color. Anytime you clutch a sled very aggressively and or make motor mods you most likely will need to richen up the low speed circuits, this can be from simply turning out the fuel screws more or … WebOct 3, 2009 · I'd take 89 that I know to be fresh and clean (ie out of my own tank) over 94super whatever at the local Gas and Go anyday. as stated, its always safest to watch your plugs and piston wash. plug color is easier, so start there. jet down, run it 1000' full throttle, pull the plugs and look at the tips. if they are white, jet up. any darker than … football reels soccerWebJan 19, 2005 · You ideally want to see a small fingernail width off the edge of the piston. But there is more to proper jetting than just checking piston wash. Thats just an average of your air/fuel ratio. Its not wide open or part throttle specific. You need to also check the plugs … football referee clip art free

"WebDec 8, 2008 · If the piston is not too hot the oil gas mixture (gas washes) a little edge right at the tranfer ports (about a thumb nail size). Bigger than that too rich. Don't mistake gas wash from way to lean (moon crater surface). You can also read NGK ev plugs but they take … " - Reading piston wash

Reading piston wash

changing jets on a 2001 zr 800 Hardcore Sledder

http://greenhulk.net/forums/showthread.php?t=55874 WebI've been reading up on this and am hoping that one of you experts could post some pictures and techniques for reading piston wash on PWC engines. Just about everything I found is snowmobile related, and …

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WebDec 18, 2005 · Flat top piston wash, such as in a ZR 600 or ZR 500, at peak performance, will be the size of the nail on your little finger. You can get slightly smaller than this, but then the performance will begin to go down hill and the detonation point gets closer. WebApr 10, 2024 · Showed me the difference in the piston tops when he pulled the heads; indexed had identical piston wash, non indexed hot hotspots and semi-even wash. I do not have a series of pistons to lay out and take pictures of, but I would like to do a test of the …

WebDec 13, 2002 · Sledneck, messing with jetting can cause you [yourself] to blow a gasket when a big round hole is in the middle of your piston! Get a book on jetting or learn from someone that is experienced at it. Jetting down can be good if you know what your doing. Examples; reading piston wash, plug color & electrode readings.

WebThis phenomenon can cause very serious damage to the cylinder bores, pistons, and piston rings. When flooding occurs, either from a fuel system malfunction, or overfueling when the engine fails to start, the excess fuel washes the oil film from the rings and cylinder walls. WebJun 29, 2008 · How long before you can get an accurate reading on piston wash. Ive put about 3-5 gallons through my ski and my pistons look like they havent been used. Im guessing im running really rich. Just didnt know how long it took to get a good reading . …

http://greenhulk.net/forums/showthread.php?t=10089

WebFeb 14, 2010 · Reading piston wash. Jump to Latest Follow 1 - 14 of 14 Posts. speedyone · The Great AC Defender!!! Joined Nov 20, 2008 · 5,658 Posts. Discussion Starter · #1 · Feb 12, 2010 (Edited) ... elementary school pago pagoWebSep 24, 2010 · Rochester, NY Sep 13, 2010 #1 Curious how my piston wash looks, as I remember reading somewhere that it may look different when using Castor927 but I can't find that post any more... 701, stock porting, 180 psi (35cc domes), EPIC ignition, stock … elementary school orlando flWebOur Latest article is now available for download. *** NEW *** Piston seizures and reading piston wash - by CMC Hobbies over the years we have seen... football referee gear amazonWebSeal Wash Supplies for HPLC. Agilent seal wash kits include all supplies needed to modify the pump head to allow flushing the back of the seal with a wash solvent. The routine use of highly concentrated buffer solutions (100 mM) will reduce the life of seals and pistons in your pump. The use of seal wash in HPLC systems helps to increase the ... elementary school outdoor activitiesWebHow to check your piston wash 2 stroke PWC Polaris, Kawasaki, Yamaha 4,034 views May 21, 2015 This is a customers PWC I was checking the piston wash and condition of each cylinder. During... football referee bobby madleyWebFeb 14, 2016 · Since a 2 stroke engine depends heavily on a heated, correct expansion chamber, the tuning must be fairly close to get the heat, a good vacuum pulse, make power under load, and get a decent plug reading. I posted a chart of plug readings and a chart of … football referee hand strapWebSep 20, 2012 · If you look at your front piston crown... you have a "Wash" pattern in the carbon, on the crown. The cool, fresh fuel is a solvent... and it will keep the piston crown cleaned off, where it's exposed to the bypass ports. Reading piston wash is a way of tuning a 2-stroke. Anyway... on your rear piston... there is no sign of "Washing". football referee game card template