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Stihl MS 290 won't fire even when primed directly into cylinder

Spark plug is showing good spark. It won't fire even when primed with fuel mix. New plug, carburetor new, spark arrester clean, fresh mix, compression good.

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Crank seals are probably shot :-(

Posted on Nov 29, 2012

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Posted on Jan 02, 2017

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SOURCE: Will not start. Have cleaned carb and replaced

I would expect more pressure than what you have recorded. Remove the muffler and turn the engine over slowly while watching the condition of the piston, ring(s), and cylinder wall. If there is severe scoring of these parts, suspect that the machine has been operated with no, or insufficient oil in the fuel. This will require replacement of the cylinder, piston, and ring(s). If you farm the work out, you can expect a substantial bill for parts and labor. You might compare this cost to a fresh machine. Hope this helps!

Posted on Oct 24, 2010

  • 1 Answer

SOURCE: Chainsaw won't start. Replaced carburetor, fuel lines, fuel filter, ignition module, spark plug. Using new gas and oil. Has good spark but won't pop.

try priming it mite work lol

Posted on Mar 29, 2012

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I have a 1994 Yamaha 40 horsepower 2-stroke outboard motor turns over won't start doesn't seem like it's getting gas change the fuel line any other suggestions


Try removing a spark plug and make sure you are getting spark. If there is spark put a couple tablespoons of premixed fuel directly into the cylinder before putting the plug back in. It should fire right up, and hopefully will speed up the priming of the fuel system. Hope this is of some help to ya, good luck.

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How do I find a parts manual for a Stihl MS290 ?


You Google pretty much exactly what you wrote and you get this

[PDF]STIHL Chainsaw Illustrated Parts Lists n Workshop Service Manuals thebakeliteradio.com/sawspares.com/Stihl%20MS310%20Service%20Manual.pdf
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MS 290, MS 310, MS 390. This service manual contains detailed descriptions of all the typical repair and servicing procedures for this power tool. As the design ...

[PDF]STIHL MS 290, 310, 390

en.stihl.ca/p/media/download/en-ca/MS_290.pdf
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Apr 19, 2006 - MS 290, MS 310, MS 390. English. BA_. SE .... Manual. !Warning! Because a chainsaw is a high-speed .... and the function of the parts of your.

Stihl MS 290 STIHL FARM BOSS ' Parts List - ManualOwl.com

https://www.manualowl.com/m/Stihl/MS-290-STIHL-FARM-BOSS/Manual/401004
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Stihl MS 290 STIHL FARM BOSS ' Parts List - Page 1. STIHL MS 290, 310, 390 A Zylinder MS 290 Cylinder MS 290 Cylindre MS 290 Zylinder MS 310 Cylinder ...

Stihl MS290 Parts List and Diagram : eReplacementParts.com

www.ereplacementparts.com/stihl-ms290-chainsaw-parts-c-162329_162330_182548....
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Need to fix your MS290 Chainsaw? We have parts, diagrams, accessories and repair advice to make your tool repairs easy.

Stihl MS290 Parts

www.barrettsmallengine.com/stihl/ms290.html
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Find parts in the Stihl MS290 chainsaw parts list below and find where to purchase them online.

Stihl MS290 Repair manual ' Arboristsite.com

www.arboristsite.com > Forums > Equipment Forums > Chainsaw
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Nov 4, 2008 - 20 posts - ‎18 authors Hi, I am new to this site and was looking for some help on rebuilding an MS290. I have the replacement cylinder and piston but need tips on ...
parts manual for Stihl MS290 Google Search

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1 Answer

Why Do I Not Have Any Spark From The Ignition Module When Spark Plug is in The Cylinder


Search Results

    Stihl TS400 / TS420 Ignition Module Repair - YouTube

    ? 7:06
    https://www.youtube.com/watch?v=AvPv88SELXs
    May 1, 2011 - Uploaded by donyboy73
    Learn HOW TO REPLACE The Ignition Module in your StihlTS400 / TS420 ... I have a homelite 33cc Ranger it has no sparkat the plug but if I put a ... a good spark and there is fuel getting into the cylinder head also what are ...

    All comments on Stihl TS400 / TS420 Ignition Module Repair

    https://www.youtube.com/all_comments?v=AvPv88SELXs&lc...
    Donyboy73, I hava a Stihl TS 420 and just replaced the pull rope (not sure what's ... a good spark and there is fuel getting into the cylinder head also what are your ..... Hi mate, i have no spark to my plug?? i have tried a brand new plug and still ...

    Small Engine Ignition: Ignition Wires, Chainsaw Spark Plugs ...

    www.hlsproparts.com/small-engine-ignition-parts-s/149.htm
    66 results - HL Supply has the small engine ignition parts that will get your ... parts right here: ignition wires, chainsaw spark plugs, ignition coil sets, ... Please don't hesitate to contact us if you have any questions. ... Stihl TS400 (3-bolt old style), TS460 ignition coil with wire and cap ... Fits: Stihl TS410 and TS420 cut off saws


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1 Answer

Stihl ms 290 wont start


Try replacing the spark plug and fuel filter to start with. Need to ensure you have fuel and spark. We have a list of things to check as techs but if it has spark fuel and compression it should run albeit poorly. If no spark check the ground circuit and if thats good replace the ignition module. If you have spark check the carburetor. It will most likely require a kit and cleaning

Jan 16, 2013 | Stihl Ms290 Ms310 Ms390 Air Filter &...

1 Answer

Troy built tiler won't start!!


What is the method your machine uses to decide when to fire the spark plug? Does it have a magneto, and/or ignition points under the flywheel, or a crankshaft postion sensor?

Apr 18, 2017 | Computers & Internet

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Tecumseh TVT691 not getting spark in one cylinder


Did you check for spark of assume that since the spark plug was not dirty that it is not firing. I am leaning toward water in the gas since you have to keep the choke on and it is blowing white smoke. You may want to drain the fuel tank and carburator and put in fresh gas. Good luck!

Dec 30, 2011 | Garden

1 Answer

The Stihl 038 super won't start. It is getting too much gas on the spark plug when I try to crank it. Just replaced the carb hoping it was that but still it won't start. The saw was working fine a...


hi there mwb15
have you made sure the ignition coil is producing enough voltage to fire under compression load ?

you may get a spark at the plug unloaded but under load it may be breaking down / weak making you think its got a fuel problem ?

does your system use a cdi coil system or point/condenser system ?
spark usually falls into weak spark, no spark catergory

if compression , fuel ( you replaced carb) and exhaust are ok , and you have air and vaccuum tight c/cases only things left are timming and spark

remember F A C T S

F = Fuel A = Air & ( air tight c/cases ) C = Compression T = Timming S = Spark

compression should be about 130- 140 approx if in good running order

take a look and let me know

cheers pauly46

Jun 18, 2011 | Garden

1 Answer

My pressure washer doesnt seem to run properly. i have changed the fuel,air filter,spark plug and the oil. It will start but runs poorly.


Ok the first thing you need to check is if the spark is fireing. To do this you need to remove the plug plug it into the spark plug cap hold it on the cylinder head pull the engine over it will pull easy and see if you have a blueish spark jumping the gap on the plug . If you do its not an electrical prolbem . Then put the plug back and plug the ignition wire back and remove the air cleaner see if it will start then .witch the choke on . If it still won't start try pouring a small amount of fuel derictly into the carbuator if it runs for any time at all or even starts to fire then its a fuel issue eighter bad fuel or clogged filter or carbuator needs to be cleaned. You can even put a small amuont of fuel right into the spark plug hole then put the plug back in and it should start You need spark fuel and air for any engine to run if you have all three its automatic it will at least fire Good luckwith this

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