How to adjust valves on Kazuma 50 cc

50 causes, want to guess wrong 50 times
its not a dead started. nor dead battery. nor bad alternator at this point.
the word is start, not turns over, the starter motor and engine both turn over called spinning, he engine then spins(turns) and then spark burns the fuel so spark is first.
not start using jumper cable car top car other car running,
like the AAA auto club tow man does 100 times a day.
?
if dead , check spark, fuel can not burn lacking good spark\
we test all spark plugs for strong spark
if you did the chain wrong the cam is time wrong and now cam and spark are timed wrong. and compression is 1/2 normal and is now 3 ways wrong. see? chain wrong cause 3 wrongs
and on modern cars newer, the PCM sees CMP and CKP out of sync and pcm then cuts spark and cutting spark cuts fuel tool
so now 5 ways wrong
your post did not say at what point that work made engine dead.
your list if events seems wrong. time
runs
new chain
dead , is this it?, seems so to me but I can not watch you mess up.

the chain can not be just thrown on
and TDC happens 2 times on 4 cycle engines
the correct TDC must be used per the manual.
some use #1 firing other cars use #4
or just match marks crank and cam,

L61 engine with chain balance shaft.
cam chain, shows 7 tools to do this job , ouch
step 22
Rotate the crankshaft in the engine rotational direction clockwise, until the No.?1 piston is at top dead center (TDC) on the compression stroke.
ahhhh yes very tricky timing settings to avoid piston valve hITS
steps:
Rotate the crankshaft in the engine rotational direction clockwise, until the No.?1 piston is at top dead center (TDC) on the compression stroke. set chain color cap to crank cog mark
then at cams, 2 more chain caps at:
set EXH mark cam to chain colored cap

1. Using the dampener, rotate the crank so that the mark on the timing chain drive sprocket is at 5?o'clock position.
2. Set the crankshaft to 60?degrees before the top dead center.

position the exhaust camshaft with the offset slot to 2?o'clock position.EXH mark.
Position intake camshaft with offset slot to 11?o'clock position..
INT mark
all; 3 marks must be correct or bend valves you will
if set wrong DO IT AGAIN> now, keys in pocket.
this is an INTERFERENCE engine,
use DUE RESPECT OF THIS or huge damage happens./

TDC mark , line up mark on pulley on crank shaft with mark on timing cover housing. a mark on the cam shaft gear should line up with a mark on the head most times at 12 o'clock, If you can't find the marks rotate the camshaft till the valves on the rear cylinder just start to rock that will show where the marks are . the crank shaft may have to be moved slightly to turn the camshaft do this by hand as a valve may touch a piston

ADJUSTING THE VALVE CLEARANCE
Remove:
engine cooling fan
Remove:
timing plug
Check:
valve clearance Out of specification
Adjust.
Valve clearance (Cold)
Intake-0.10~0.15 mm
(0.0039~0.0059 in)
Exhaust -0.15~0.20 mm
(0.0059 ~0.0079 in)

a.Turn the crankshaft counterclockwise with awrench.b.Align the
" I"
mark on the rotor with the stationary pointer
on the A.C. magneto cover. When the

" I "

mark is aligned with the stationary pointer, the piston is at the Top Dead Center (T D C).
NOTE:
•
When the piston is at the Top Dead Center(TDC) on the compression stroke, thereshould be clearance between the valve stemtips and their respective rocker arm adjustingscrews.
•
If there is no clearance, rotate the crankshaftcounterclockwise one turn.c.Measure the valve clearance using a thickness gauge

360 with hydraulic lifters, the crankshaft wit a ratchet and socket to get each valve closed. When lifter is at bottom turn the valve adjuster out to where you have free movement then turn adjuster till the rocker arm touches the lifter, then turn the adjuster in three quarters of a turn, and that valve is adjusted. No other clearance is required on hydraulic lifters. Do this with each valve in turn as each piston comes to top dead center using the firing order as a guide. When #1 piston is up to top dead center, both valves are closed. Adjust intake and exhaust at this time. Then the next in the firing order. The firing order can be found on the intake as is each cylinder marked with it's number. If it were a Chevy small block, for example only, firing order is 1-8-4-3-6-5-7-2. I would bring # 1 cylinder up to top dead center on compression stroke by removing that spark plug and stick my finger in the hole and crank the engine till I felt my finger being pushed away with compression, then bring that piston up till the timing mark was on the "0" of the timing tab at drivers side of the harmonic balancer on the crank. Adjust both valves on #1 cylinder and then turn the crank until both valves of #8 cylinder were free moving at the rocker. Then to the next in order of fire. I would turn each adjuster out at least one full turn before starting this procedure, then adjust them in order of firing starting with #1. It isn't hard, just takes time to do it right.

Ok first thing is remove the #1 spark plug from engine, then turn your crank until you feel air push out that cylinder that means you are at TDC (top dead center). You will then set your cams to there settings ( I am not sure if this is a inline 4 or v6) so I can't tell you the marks. But the cams pulley will have marks that will align to marks on the head, The crank will have a mark on the pulley and on the block line these up as well. I like to set the top cam marks first then clamp the belt and pulley together with a small clamp to keep the tension. after that is all lined up install the tensioner and make sure you adjust the tensioner it will have two small pin holes that will need to be turned in order to tighten the tension. ( not to loose or belt can skip, not to tight or belt will wine.) Also if the belt snap while driving you probably bent the valves and will have to do a valve job which requires removing the head,

to begin with timing a camshaft, the motor needs to be set at top dead center of the compression stroke. If you are unsure what this means, remove the valve cover on the driver side, rotate the crank pulley with a 32 mm socket, until you see the intake valve, which is the second valve spring, begin to compress. When I say compress, this means the valve spring is opening the valve. As the valve spring begins to close, the piston will be approaching the top of its travel. The crank shaft pulley/harmonic balancer, will have a mark to indicate top dead center on the timing cover. This Mark will align with the TDC mark on the timing cover just after the intake valve spring closes. Next, using a half inch wrench, remove the distributor and set to the side. With a flashlight, look down inside at the oil pump driveshaft. It will have a slot in the center of the gear. This slot should be pointing towards the number one intake manifold bolt hole. It will almost be front to back.

If it is not, using a long flat blade screwdriver, rotate the oil pump driveshaft clockwise until the slot lines up with the number one intake manifold bolt hole. Reinstall the distributor and snug the half inch bolt down. The rotor should be pointing towards the number one cylinder mark on the distributor plate. Reinstall the distributor cap and try to fire the motor over.

It should be top dead center on a compression stroke and all the valve are closed. Both cams have a line the lines up with marks on the valve cover. Basicly the marks on the cams both are set to point to twelve o'clock. The mark on the crank shaft pully points to 6 o'clock or strait down

there are two marks one on the cam gear and one on the crank gear. to line these gears up first no#1 cyclinder has to be on commpession stroke, and at top dead center . remove number one spark plug rotate mtr by bumping the starter with key. install commpession gauge hose in number one spark plug hole, when you bump the mtr and that cyclinder is on the compession stroke you will here the air escape from the hose. then rotate the mtr to top dead center by algining the the mark on crank pulley and pointer on the timing cover . cam mark is at 6 a clock postion and the crank mark is at 12 a clock postion. adjust as needed

TDC stands for Top Dead Center, however it is only to set the cylinder number ! at TDC, if yu know where the timing marks are align the crank pulley mark to the "0" of the timing mark, usually this can be achieved by setting the crank shaft doel pin to twelve 0 clock position.