Garden
The lawn mower has only one piston and two valve,the inlet and uotlet.the lawnmower year model is between 1990 and 2000
Experienced gardeners share their insights in answering this question :
The timing mark on the camshaft and crankshaft must line up. There is a dot on the crankshaft and a line on the cam shaft. they need to be set in the gear where those two will meet.
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This camshaft is connected to the crankshaft via belt, chain or gears. This ensures consistent timing of the valves in relation to the motion of the pistons.
The camshaft is connected via the timing chain and sprockets at a 1:2 ratio to the crankshaft and therefore revolves once for every two turns of the crank.
Introduction. The connecting rod (con rod, or conrod) connects a piston to the crankshaft. The rods are made from drop-forged, heat-treated steel to provide the required strength. Each end of the rod is bored, with the smaller top bore connecting to the piston pin (wrist pin) in the piston.
A connecting rod, also called a `con rod`, is the part of a piston engine which connects the piston to the crankshaft. Together with the crank, the connecting rod converts the reciprocating motion of the piston into the rotation of the crankshaft.
Remember the camshaft makes one complete revolution (360°) while the crankshaft rotates twice (720°) for a complete engine cycle.
The camshaft rotates at half the speed or revolutions as the crankshaft. So for every 360 degrees of rotation for the crankshaft the camshaft(s) only rotate 180 degrees. 4 stroke engines rotate 2 times for a complete cycle. That means it takes 720 crank degrees to make a full cycle.
Discover Relevant Questions and Answers for Your Specific Issue
the most relevant questions and answers related to your specific issue
The timming on the one piston and twoo velve victa 50 lawnmower.where the mark of a crank shaft and cam shaft must piont?
ANSWER : The timing mark on the camshaft and crankshaft must line up. There is a dot on the crankshaft and a line on the cam shaft. they need to be set in the gear where those two will meet.
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How to reset the timing on a 6.5 HP honda – Honda GX200-RH2 22mm Shaft 2 to 1 Gear Reduction 6.5 HP Engine
ANSWER : Good question first you need to find top dead center.if you cant find any marking on cam shaft remove spark plug. place thumb over hole and gentle pull motor over first will be suction next you will feel compression agaist your thumb this will be the power stroke as you pull motor over note when you first feel this and when this stops .this will give you a ball park idea of TDC.align the ignition system to fire here
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Rebuilt a 2010 gas the timing marks on the cam and crank are dot to dot and number one isn’t at top dead center. Is this right?
ANSWER : It should be a little bit after top dead center !
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Husqvarna 141 piston ring, what is the required gap for the ring? Also, does it matter which way the piston is positioned in the cylinder, there is no arrow or difference that I can tell by looking at it.
ANSWER : It’s been a few years but I’ve installed piston rings in many small engines. Many rings are beveled or rounded on the top outside to prevent excessive cylinder wear or scaring the cylinder wall. The bevel should be very slight and very hard so see. Some may have a small dot or marking cast into the ring near the end/split. If that is the case the ring should be installed with the marking turned toward the cylinderhead. Hint, lube the piston, rings, and cylinderwall before installing the piston. Gene
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Drive shaft not engaging – Ryobi 30 Cubic Centimeter Curved Shaft Gas Trimmer
ANSWER : Hi there Reyles,On this model, if yo rev the engine and the head just sits there, it can be one of two things.
Clutch not engaging (unlikely)
Broken flex shaft (likely)You need to partially disassemble the unit to find out. I believe you will need a T25 or T27 torx head. Remove the screws from the clutch housing that connects the engine to the shaft.Pull it apart. Spin the shaft manually. If nothing its the shaft. Otherwise its the clutch.Best regardsMike
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PTO WONT COME ON – Cub Cadet Street Sign- tractor lawn riding mower parts
ANSWER : Cub cad rzt 50 o turn, pto will not come up deck,…..replaced both pto button ,safety switch that were bad, does the keys switch send power to the pto button , if so how can u check for for bad key switch thanks
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Husqvana LTH 2038 model, blade is bent so bought new ones, when i tried to put on the new ones the right hand side one hits the deck. What could it be (checked the blades they are the right ones)
ANSWER : It sounds like whatever bent the blade may have also bent the rotator shaft,, if this is the case – replace the right hand rotator shaft,, then re-install the new blades and all should be good to go.
(( if the shaft looks ok on a roll test,, it could be the mount and metal portion of the shaft and you could get lucky and try and use a breaker bar to flex and bend it back into the proper position ).
(( if the shaft looks ok on a roll test,, it could be the mount and metal portion of the shaft and you could get lucky and try and use a breaker bar to flex and bend it back into the proper position ).
c…
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Pondmaster mdl 24 Series magnetic pump.
re: Replacement impeller/magnetic shaft installation
Question: What do I need to do to install the impeller ***’y into the pump housing to ALLIGN THE CERAMIC IMPELLER SHAFT INTO IT’S BEARING without breaking the ceramic shaft off?
Situation: The strong magnetic field of the impeller ***’y instantly pulls itself into the housing and magnetically attaches itself to the winding wall. The impeller shaft is thus OFFCENTER and cannot be moved inside it’s bearing mount. It MUST BE CENTERED in the housing in order to seat the shaft inside the bearing.
I am baffled. Help really appreciated.
ANSWER : The bearing needs to be pressed onto the ceramic shaft before inserting the impeller into the housing. Then it just drops in (while trying to hold on to it the best you can to keep it from slamming in.). New bearings didn’t come with the new impeller? If not you will have to carefully pry out the old bearing from inside the housing.
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