Question about 1982 Yamaha XJ 650

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Where are the timing marks for the overhead cams on a 4 cylinder yamaha 650 1982

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  • Yamaha Master
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Posted on Oct 08, 2009

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How can I find out on my 1983 yamaha 400 seca if th? engine is a dohc or a sohc


Double overhead cam. You can see the two cam covers at the top of the engine cylinders.

Confirmed here

http://www.motorcyclespecs.co.za/model/yamaha/yamaha_xs400r%2084.htm

Oct 04, 2015 | Yamaha Motorcycles

1 Answer

How can i determined the timeng mark of the camshaft in the v6 kia cadenza there is 3timeng marks in one camshaft and this engine is four overhead camshaft


To ensure you don't get the timing expensively wrong I advise vehicle-specific information.

The additional marks could be marks for safe dismantling or assembly or marks for performing a valve timing check or perhaps a cam sprocket made for a variety of models.

It should be relatively easy to determine which mark to use, though you mention nothing about whether other marks are present and which cylinders are served by that camshaft.
Assuming other marks are present and having removed the spark plugs and exposed the valve gear the engine can be set at TDC on the timing cylinder and whatever other marks there is aligned, ensuring the valves of number 1 cylinder are both closed and the cams are in the compression position for that cylinder.

With the engine in this position the valves of the first cylinder in the second half of the firing order should be in the overlap position, which I think is number 4 (I don't have data to hand).

Setting No 1 and No 4 pistons and valves in this way should then indicate which of the three marks are to be used for timing, again assuming there is a static mark to align one of the sprocket marks with.

It isn't unusual for engines built by robots to require setting tools for subsequent maintenance and repair; in other words it isn't unusual for engines built by robots to have no timing marks at all...

Setting an engine timing by logic is really only suitable as an emergency procedure unless verified by TDC finder, degree discs and dial gauges along with valve timing information.
Manufacturer information is a much easier method.

Apr 19, 2015 | Kia Cars & Trucks

1 Answer

Cam gear installation


very old post
96s in usa (not canada) are all G16b , 16v engines
so
here it full page, and full fsm page linkes, all free.
all 16v have cam cog false marks 2 false
key false and TDC false.
the "I" marks are dead wrong, and few books warn of this fact


http://www.fixkick.com/t-belt/16-fast-belt-install.html

all ways to do it right and correct the wrong(all ways)

Feb 18, 2014 | 1996 Geo Tracker 2 Door

1 Answer

I need a picture of the timing marks for Jeep 4.0


Timing the Cam to the Crank

There are several ways to time the cam to the crank. Be sure to check the manual before you install the timing chain or belt.

  • Some timing sprockets are properly timed when the marks face each other.
  • On others, there must be a certain number of chain links between the marks.
  • Sometimes chains have colored links that must be aligned with the marks on the sprockets.
  • Some overhead cams have a mark on the cam gear that lines up with a mark on the cylinder head when the timing mark on the damper is at the TDC mark.
Align the timing marks for the camshaft and crankshaft sprockets before removing the timing belt or chain.

If the old parts are available, carefully compare the new gears or sprockets with the old ones. Check the keyway and timing marks just in case there might have been an error made in manufacturing. Sprockets are sometimes stamped backward. Its much better to find the problem during assembly, rather than waiting until problems show up after reassembly and reinstallation.

Maintaining Valve Timing

During a valve job, it is essential to keep the timing chain or belt in place to maintain correct valve timing. Position the number one cylinder at TDC. Some overhead cam engines use a single long chain for a cam drive. The chain can be wedged against its guides with a tapered block of wood.
the chain tensioner on some ohc engines must be wedged to keep the chain in position during cylinder head removal. courtesy of nissan motors.

Some engines have a lower and upper chain. These engines do not require special attention to wedging the chain. Be sure to look for hidden head bolts and check the repair manual before removing the OHC head.

Dec 07, 2012 | 1989 Jeep Cherokee

1 Answer

Replacing water pump for a 2003 Chrysler sebring 4 cylinder


I don't think the single overhead cam engine pump is driven by the timing belt, but the double overhead cam engine is.
Both are on the passenger side in the middle of the block.

Sep 02, 2012 | Cars & Trucks

1 Answer

Trying to locate engine number to determine 16 0r 32 cam


Unfortunately, your question is very vague and hard to understand.

16 or 32 cam?
Usually your engine will have twin cams, or single cam.
Overhead cam(s) or not. You could determine if your engine
is a 4 or a 6 cylinder, and then you will generally find out how
many valves the engine has.

If you are in a 4 cylinder car, you probably have 16 valves if you have a twin cam engine.
If you have a single cam, 4 cylinder engine, then you will usually have only 8 valves.

The only way that you could end up with 32 valves, is if you have a dual overhead cam, v-6 engine.
Each head will have two cams, and each cylinder will have 4 valves then.

I hope that this is what you were trying to ask. :)

-Jackson
http://urbanscooters.com/

Oct 13, 2010 | 2003 Dodge Durango

1 Answer

Hi I am doing a simpile head & cylinder inspection. Just bought the bike smoking bad. The cylinder & piston are damaged. I will be replacing piston rings & doing a bore job to match new piston....


The diagram below should work for you. Put the piston on TDC. the OHC cam gear will have a single mark or may have two marks, see below. Be certain the front side of the chain is taut when mounting the gear. The cam chain tensioner keeps the back side taut.

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May 24, 2010 | 2002 Yamaha TT-R 250

1 Answer

Timing marks on twin overhead cams 2.4 and crank mark.


Click on the following direct, Free Link. It has several Diagrams including the Timing Belt + Marks for your 2004 Hyundai Sonata 2.4L DOHC In-Line 4-Cylinder Engine (located on the bottom half of the Page on the Link). There are additional Diagrams that will prove to be helpful while you are doing this...

Let me know if this helped, or if you have additional information or questions. Feel Free to contact me at FixYa.com!

http://www.2carpros.com/car_repair_information/year/2004/make/hyundai/model/sonata/2004_hyundai_sonata_timing_belt_diagram_marks.htm

Apr 16, 2010 | Hyundai Motor 2004 Sonata

1 Answer

Set the timing on yamaha yz 426 2002


Hi there Longhatx....Ok...Turn the crankshaft counterclockwise until the " I " mark on the rotor is aligned with the stationary pointer on the crancase cover.Fit the timing chain onto both camshaft sprockets and install the camshafts on the cylinder head.The camshafts should be installed onto the cylinder head so that the exaust cam sprocket punch mark " E " and the intake cam sprocket punch mark " I " align with the surface of the cylinder head,both marks facing out of course towards their prospective ports.thats about it .Please leave some feedback if this has helped . ride on.

Nov 17, 2009 | 2002 Yamaha YZ 426 F

1 Answer

Wanting to know how to set the timing and the


set the cam marks lined up with the cylinder head along with the marks on te magnito lined up with the case mark

Jul 23, 2009 | 1976 Yamaha XS 500

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