My 1991 opel kadett 140 does not want to start, I installed piston rings and bearings correctly. I used 160 cylinder headan carb, compression is fine.

SOURCE: Torque setting on Opel kadett gsi back wheel bearings

Not even sure who makes those cars but this should hopefully help you

http://vsmus-origin.skf.com/Files/Brochures_in_PDF/457377.pdf

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Nate Rector

• 319 Answers
• Posted on Jan 18, 2014

SOURCE: I could not start the Hyundai Tuscon -petrol 2005 model after replacement of crankshaft, piston bearing, main bearings, piston rings ,intake and exhaust valve and new head cylinder assembly. the car w

sounds like engine is out of time

SOURCE: 94 Opel kadett 1.6 single injector. Petrol does

Check the injector circuit. Here's how injectors usually work: when key is on, they have live power available to them. Key on, the circuit is turned on, so power passes through a fuse to the injector on the power wire. (Check the fuse- it's under the hood, most likely.)
To make the injector "pulse" or spray fuel out, the engine computer will internally ground the circuit for a split second. The injector has a power wire to it from that fuse. Then the ground wire at the injector goes into the computer.

If you have a test light, you can test the circuit. First, clip a test light ground lead to negative battery post. With key on, and the injector connector unplugged, check for battery voltage on the power wire. One of the wires should have voltage and will light up the test light. Now, move your test light lead to the battery POSITIVE post. Have a helper be cranking the engine over while you probe the ground wire-the one that did not light up the test light. If the injector circuit ground is good, the test light will now be blinking. (You are putting voltage into the ground wire to the computer, to check if it is properly grounding the circuit. Every time the light blinks, the computer has grounded the circuit.)
If the circuit passes both tests (key on, steady test light on power wire; engine cranking, blinking light on ground wire), then the injector circuit is good. The injector should be pulsing when it is connected and the engine is cranking. If no gas is coming out of the injector, could be that fuel is blocked somewhere (filter?) from reaching the injector, or it could be a shorted injector. Someone with a volt-ohm meter should check the resistance across the injector terminals and compare with manufacturers' specifications. This will determine if the injector is bad.

SOURCE: My Opel kadett 140 ,1991 doesn't have a starting spark /

Check out ignition coil and crankcase sensor..

Robert Wood

• 6140 Answers
• Posted on Aug 16, 2017

SOURCE: why do the piston crack above and below the rings area.Valve timing is 100%

Did you use a ridge reamer to clean the ridge at the top of the cylinders ?