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Impellor replacement on mercury 2007 40hp 2 stroke

Impellor replacement on mercury 2007 40hp 3 cyl. 2 stroke lightning xr.

start to finish guide for this job.

Where and who could I get a manual off for this motor?

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6ya6ya
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Posted on Jan 02, 2017

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SOURCE: No Start. OBDii Code P2305.

i have the same problem could someone please help ? its getting cold outside and i live 30 miles from my job.

Posted on Oct 27, 2008

finish line
  • 207 Answers

SOURCE: replace impellor in yamaha 2 cylinder 40hp

take all bolts out on foot were the two mate drop lower unit down pull impellar cover will be plastic some what roun with a short molded inlet on top when u remove impellar be sure not to lose the key way and when u put the cap on the impellar be sure to rotate it so blades will ben\d in place make sure u dont pintch them when u bolt the cover down MAKE SURE WHEN YOU PUT THE FOOT BACK ON TAT YOU LINE UP THE IMPELLAR INLET WITH THE ONE COMMING DOWN FROM THE ENGINE LINE UP YOUR SHIFTER LINKAGE (TOWARD THE TRANSOM IS WERE IT IS LOCATED bolt it up test with a hose should be good

Posted on Jun 27, 2009

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SOURCE: impeller replacing on 1999 merc. 25hp 2 stroke

Should not be that hard. Tape up the ends so you can hold it with out getting cut, (if its ragged or sharp from damage). should be one nut holding the impeller on. If its to tight to hold try air or electric Impact wrench. If its bad you can tap with a hammer to help in removing the old one. If it turned on the shaft you will need to rent a puller. Repost if you need more help.

Posted on Jul 05, 2009

bytestream
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SOURCE: need firing order for a 86 chrysler outboard boat engine

Firing order 1 2 3 is common on most three cylinder outboards. 1 3 2 is the only other combination.

Posted on Jul 26, 2009

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SOURCE: I have a 2009 40hp 4 stroke outboard. It sounds

not enough info. what Manufacturers and model? is it out of warranty? here are some troubleshooting tools and procedures since labor rates at your local dealer could be up to $100.00 per hour. before you start I have two Goals for you. (1) If you learn everything you can about your engine you will become more confortable and enjoy it more. (2)confirm that your engine is ok now. is the noise your hearing piston related, or is it ignition missfire. the compression check and the ignition output test will help answer that. Tools(1) A compression gauge (2) a spark gap tester.(3) A Clymer service manual for your engine. (you can purchase from your local dealer). I know all these are expensive but if your going to be a outboard owner you will always need them. Troubleshooting (1) check compression. without the Manufacturer I'm giving you a average numbers. Look at your Clymer manual for specifics. all cylinders need to be over 100 lbs and equal each other within 5 lbs.(2) check spark output. use a spark gap tester. all cylinders should jump a half inch gap. If all these test prove that the basic operation of the engine are within specification, then we can turn to fuel delivery. unfortunately you didn't give the Manufacturer so I can't give you the troubleshoot procedures for the fuel delivery system. you will need to refer to the manuel. please get Clymer manuel you will apreciate it

Posted on Nov 04, 2009

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Why won't my mercury marine engine not restart after running for 30 or 40 min.


is it cooling ok ? run on hose and check engine block and exhaust plate cool ! water inlets clear and impellor good condition ? compressions all over 100psi ? carbs clean ?

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How do i undo the gear linkage on a mercury 40 hp 2007 lightning Xr to drop the gearbox to replace the impeller


put engine in forward gear then drop the gear box and the gearlinkage seperates as its on a spline male and female connection !

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I have a 30ltr TDI quattro that smokes when it idles for than a few minutes


This car doesn't have coils and wires, it's gasoil. The most likely reason is the piezo injectors are worn. The best way to test is with VCDS
After an overnight stationary period drive the vehicle with cold engine between 1200 - 1600 rpm till the complaint occurs. Constantly read the measured value block 13 and 14 for the smooth running control in the engine control unit. The values of one or several cylinders should noticeably move to positive.

modified injectors A8: with 3.0l, 4.2l TDI from: WAUZZZ4E*7N016685
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vcds go to address 01 measured values below
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I need to know what the stock compression pressure in psi should be on a 1991 mercury grand marquis 302 5.0L, I dont want the ratio, I need the psi. What was it from factory?


This engine offered a 4-inch bore, 3-inch stroke and a compression ratio of 8.9 to 1.

each cylinder should have the plugs removed, and each cylinder should have atleast 150 psi, with no more than a 10% difference between the 8 cyl .

most engines period will cary atleast 90 to 180 psi depending on the number of cyl.

Jan 07, 2011 | 1991 Mercury Grand Marquis

1 Answer

My crank shaft is rotating twise the crank shaft. HOW MY 1342 FIRING WILL OCCURE?, I can spare only 30 digree for charge and spark plug contact. THERE ARE ONLY 2+2 CYLINDER. 180 DIGREE APPART KINDLY REPLY...


Your crankshaft turns 2x times the camshaft. Put it this way as # 1 cylinder reaches TDC (top dead center) of the firing/compression stroke, and this will be after a (8 degs BTDC) spark to ignite the air/fuel mix, the # 3 cyl. will be at BDC of the intake stroke and as #1 begins its power down stroke, (during explosion of air/fuel mix), #3 begins its compression up stroke, the #4 cyl. will be coming down with #1 cyl. but #4 will be in the beginning of its intake down stroke, and #2 cyl. will be coming up with #3 but #2will be in its BDC of the exhaust stroke. Which has just fired previously to #1. 1342134213421342 etc. Now the cam turns to open / close the valves; In the outline above, #1 cyl. valves will both be closed. #3 cyl. will have the intake starting to close at this point. #4 cyl. will just be starting to open its intake valve, and #2 will be starting to open its exhaust valve. Is all this clear as mud? So as the crank makes one full rotation (in a 4cyl. engine) only the firing of one cylinder has happened.and at every rotation one cyl. will fire. So #1 at TDC then one full rotation, #1 back at TDC, but this TDC is half of its 4 cycles, (1)Intake, (2)compression, (3)power, (4)exhaust. this 1234 refers to the 4 cycles of the rotation not firing order.

Oct 31, 2010 | 2008 Volkswagen Jetta

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I have never instaled a distributer before and i would like advice. i have a 1990 chevy s-10 blazer 4.3 liter auto trans


first set motor to top dead center cyl 1 thei insert distrib to first plug point remember it is rare you wont need to ajust distrib just make sure you are tdc and not on an intake or exhaust stroke as every cylinder has 3 strokes
1 intake
2 compression and fire
3 exhause

so make sure you are on compression stroke cyl 1
insert distrib to first cyl point and snug it down just remember you will likely have to ajust it

Jan 17, 2010 | 1991 Chevrolet S-10 Blazer

1 Answer

Impeller replacing on 1999 merc. 25hp 2 stroke


Should not be that hard. Tape up the ends so you can hold it with out getting cut, (if its ragged or sharp from damage). should be one nut holding the impeller on. If its to tight to hold try air or electric Impact wrench. If its bad you can tap with a hammer to help in removing the old one. If it turned on the shaft you will need to rent a puller. Repost if you need more help.

Jul 04, 2009 | 1999 Honda XR 600 R

1 Answer

Dead cylinders 2003 sebring


it sounds like you may have the wires on the wrong coil. It should be #1 on the #4 coil, and the #3 wire on the #2 coil. you probably have them backwards so 1 and 3 are firing on the exhaust stroke.
the firing order is 1-3-4-2.
they should be hooked like this.
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Jan 23, 2009 | 2003 Chrysler Sebring

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