Question about Suzuki GSX 750 F (Katana Motorcycles
Suzuki gsx 750 f 1998 model not sparking, i have tried my cdi unit and coils on another bike and working fine, any ideas on what to try next as was going to try my pick up sensor next
Good possibility, You can check the out put voltage of the pickup coil. This has to be done with a "peak reading volt meter". There are some commercially available adaptors to insert in a standard volt meter for this check. With adapter installed, meter set to DC volts the reading across the leads from the pick up coil should be 3-7 volts at cranking speed. You should also confirm that you have battery voltage with the key & engine stop switch on at the cdi box as well as a good ground. I believe on a Suzuki this will be the orange/ white for battery voltage and the black will need to have contininity to ground. Also the orange/white at each coil should have battery voltage with key and engine stop switch on.
Posted on Dec 30, 2012
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Posted on Jan 02, 2017
rectifier/regulator is for changing the AC (actual current) from the alternator or generator to DC (direct current) for charging the battery and running lights etc... and therefor regulates power DC to 12volts this is to stop blowing fuses bulbs etc...
the cdi unit takes its power from the alternator/generator in the form of 2 pick ups 1 for each coil as the engine turns just like the old style points system just before top dead centre a spark is produced to each cylinder as it reaches TDC (top dead centre) therefor if a pick up in the alt/gen is dirty/faulty only 1 coil is recieving the spark via the cdi unit all components need to be checked
a good trial and error if machine sparks/runs on 1+3 cylinders only take the 2 wires that go to the coil 1+3 switch them with coil 4+2 if machine now sparks on 4+2 fault lies within pick up to that coil
Posted on Jan 10, 2012
SOURCE: my keeway wont start
Check the fuses. Is the kill switch on or shorting out? Disconnect it and then check for spark. Sidestand/centerstand should be up, Got a good battery?
I am unfamiliar with your Keeway and just trying to help. Don't give me a bad rating if I miss the mark on this one. Thanks.
Posted on Apr 01, 2009
Backfiring is typical for 'lean' conditions and stuck inlet valves.
check also the spark plug condition, replace them if any doubt on their age exists.
Check compression to discover open valves.
Clean out the carburettors.
Posted on Apr 02, 2009
Hey whats up? Try back probing your wires going to the CDI unit with a volt meter or continuity tester to make sure you do have any broken wires. Then check the stater make it is good. If sure how to check the starter take it a bike repair shop they should check it for free.. If that does work let me know and I will look further into it for you. Good Luck.
Posted on May 22, 2009
I assume you got this fixed; sounds like it wasn't getting gas to the carbs. Some people don't realize the 99-02 SV650 has a vacuum-actuated fuel pump, and sometimes it can get stuck. Mine has had this problem, and it took me a while to determine it was the problem. I would guess it only happens after the bike has been sitting a while.
Best way to check it is to lift the tank (it's bolted to the frame on the right side of the engine just under the tank). Unplug the line toward the front of the motorcycle from the fuel pump, and connect some spare fuel hose to it running to a can next to the bike (don't want to get gas everywhere!). With everything else still connected, crank the bike for a short period to see if any fuel comes out (shouldn't take long). If not, then move backward and ensure fuel will flow from the vacuum-petcock when the bike is cranked. If that does work, your fuel pump needs some work. I was able to take mine apart and unstick it.
Posted on Oct 01, 2009
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