Question about Suzuki DR-Z 125 Motorcycles

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85 suzuki 125 4 wheeler that is out of time how do i time it

I got new piston and rings and i lost my marks on the cam so the chain is off now.

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With your piston @ TDC (top dead centre)(check the timing marks) all of your cam lobes should be pointing as far away from the valves (or rockers) as possible. Alternatively, the cam lobes can all be very close to opening the valves. This is called "rocking." Once you have set it up like this, you should turn the crank in the direction of rotation to check that none of the valves touch the piston. Keep turning the crank to check the valve are opening and closing at the right times, ie "****, squeeze, bang, blow"

Posted on Jul 19, 2009

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you only need TDC #1 firing and the marks,
firing order is the cams job, (and pcm) only marks matter....!! for a chain job.

here are fsm words (why not login to mitchell's and read)
WARNING(new head)
Wait1/2hour after installing the lash adjusters and camshafts before cranking or starting the engine to allow the lash adjusters to bleed down. Operating the engine before this time period may result in interference between the valves and pistons.
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the real Fsm covers this in pages 345 to 368
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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....


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Put the piston at TDC (Top Dead Center) by lining up the timing marks on the flywheel and stator. Put the cylinder head back together with the cam installed so the high points of the cam lobes are pointing kind of downward. Pull the cam chain taught on the front side of the engine. Put the chain on the cam gear such that, when bolted to the cam, the index mark or marks are in the proper position.

The proper position depends on what markings are on the cam. Some bikes have a single mark; an arrow, a straight line or an "O". The mark should line up with the center-line of the crankshaft. If the cam has two marks opposite each other, the lines should be parallel with the gasket surface. You will need to rotate the unbolted cam left or right just a bit in order to match up the bolt holes to the gear holes.

Can I get a “very helpful” rating on this answer?

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cam lobes have to be pointing out.. and the marks on the cam gear should be lined up ith the head

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actually there is a mark to be followed . there is a mark on the over head cam , and there is a mark on the gear where you will place the chain . Now set the mark both in line together "where this are called the timing mark" then place the chain.

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