Question about 1992 kawasaki VN 750 Vulcan

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Electrical, motorcycle, slap side to make starter work

Electrical[ground?] bike won't start after riding, slapping the side cover over the start relay and then the bike starts fine, also not sitting on the bike when starting works most times.
Shorted ground?
Where to look?

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Sounds like a loose wire in the battery box somewhere. Or even under the seat is where the wires run after leaving the battery box.

Posted on Oct 03, 2009

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1 Answer

Battery terminals are tight it has been for a long ride and will still only start of a push


Hi, Steven and the usual suspects are:
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Discharged battery, check battery terminals for damage or corrosion, check the battery cables at "BOTH" ends for loose, corroded, or broken connectors, "INSIDE" and outside the cable harness, perform connector wiggle test and check cables with an ohmmeter if necessary.
4. Bank angle sensor tripped and ignition/light key switch not cycled to the "OFF" position and then back to the "ON" position.
5. Security alarm needs a reset.
6. Starter control circuit, relay, or solenoid faulty.
7. Faulty starter button.
8. Electric starter shaft pinion gear is not engaging or over-running starter clutch slipping.
For more information about your issue, please visit the websites below. Good luck and have nice a day.
Troubleshooting No Start Honda Motorcycle
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Dec 21, 2015 | Motorcycles

2 Answers

Engine starts and idles but has a loud slapping noise.No smoking from exhaust has good oil pressure any help or suggestions what it might be and approximate cost of repair.Thanks


Hi Mike:
What kind of bike and how old? Vintage Harleys sound like that most of the time. Just kidding all you Harley guys & gals!
Mike, can you tell where the sound is coming from, and most important, what happened immediately before this noise started?
If it was from the engine, I would not run it until I had it figured out.

Mar 20, 2015 | Motorcycles

1 Answer

I have a 07 yamaha road star 1700 that has a slapping noise coming from engine when at steady rpms when letting off or accelarating it goes away


Hi, Anonymous I would love to help you with your engine or chassis noise but I just loaned my brand new pair of listening ears to your local dealer's chief technician so he could take your bike for a test ride and give you his professional opinion and estimate about your noise and repair cost. If you are a little short on "DRACHMA" and a Dealership is not on your list of fun places to visit then perhaps the list below will help soothe your worried mind so you can make an informed decision.
1. Bearings---SCREECH
2. Belts---HUM
3. Brake Rotors---BUZZ
4. Chains---RATTLE
5. Clutches---CHATTER
6. Shifting Trans---CLUNK
7. Front Forks---PLUNK
8. Rear Shocks---SQUEAK
9. Starters---CLICK
10. Solid Lifters---TICK
11. Hydraulic Lifters---TAP
12. Pistons---SLAP
13. Connecting Rods Go---KNOCK-KNOCK---who's there, it's me "*****"
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
Re Roadstar Engine Knock Road Star Forum Yamaha Road Star
Motorcycle Message Board Motorcycle USA
http://www.rswarriordocs.com/manuals/WarriorServiceManual-WO3646.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2006/LIT-11626-19-45_Road_Star_1266.pdf

Aug 17, 2014 | Yamaha Motorcycles

1 Answer

Noise in primary when releasing the clutch sounds like chain slapping


It could be the primary chain slapping. When is the last time it was adjusted? Take the inspection cover off that's in the center of the primary cover. Reach in with your finger and lift the top run of the primary chain. It should be between 3/4" and 7/8" up and down slack in the chain with the engine cold. If it's too loose, loosen the nut on the adjuster just inside the inspection cover opening and raise the shoe to tighten the chain. Retighten the nut once you get it set correctly. If that's not the problem, it could be that the clutch discs are glazed. This is rare on the newer model bikes but I have seen it on a few occasions. The clutch disc will need to be taken out and cleaned and sandpaper used to slightly scuff the surface of the fiber discs. Try adjusting the chain first.

Good Luck & Ride Safe
Steve

Sep 10, 2011 | 2008 Harley Davidson FLHX Street Glide

1 Answer

I know my model is off but i couldnt find my 1974 in there. Anyway i posted earlier that my 1974 just quits on me while riding. I mentioned i replaced my coil and breaker. That is incorrect. What i did...


Your bike should have the large round relay that only has three terminals on it. There are two larger terminals, one for a large red wire from the battery, and one for a green wire going to the small connector on the starter solenoid. The small connection on the relay is for the wire that comes from the start button. The ground is though the body of the relay where it bolts to the bottom of the battery box. It does sound like a breaker is tripping on your bike. Now, someone may have changed the starter relay on your bike in the past. On your Shovel, there is a chrome cover over the coil on the left side of your bike. Make sure that cover is not loose. If it is, it will drop down onto the top electrical connector of the coil and short the white wire out. This will cause the breaker to trip and shut everything on the bike down. If you need a wiring diagram, contact me directly at wd4ity@bellsouth.net and I'll send you one via e-mail as a JPG or GIF picture file.

Steve

Aug 16, 2011 | Harley Davidson FXDL Dyna Low Rider...

2 Answers

Engine cut out while riding ,won't start carries on turning over after starter button released, blows 20 amp fuse


Sounds like the starter relay is sticking. Then over heats the fuse and blows it. Check the relay and also check and clean the starter button to be sure it is not sticking on use contact cleaner. Be sure to read the label make sure it is safe to use on plastics.

Jun 04, 2011 | Moto Guzzi Griso 1100 Motorcycles

1 Answer

1985 Xj700 Maxim will not start, just a single click from the relay. I have replaced the starter relay, battery, diod, and elec relay...cleaned and tightened all of the electrical connections including...


HI, LETS REMEMBER THE STARTER RELAY IS ONLY A MAGNETIC SWITCH, WHICH WHEN THE STARTER SWITCH IS PRESSED IT OPENS THE CIRCUIT AND ALOWS 12V DC TO COMPLETE THE CIRCUIT TO THE STARTER MOTOR, IF YOU BRIDGE THE 2 THICK WIRES AT THE STARTER RELAY WITH THE IGNITION SWITCHED ON, 1 COMES FROM THE BATERY, AND THE OTHER GOES TO THE STARTER MOTOR, AND YOU HAVE SUFICIANT POWER IN YOUR BATTERY THE ENGINE WILL TURN OVER AND START, THUS ELIMINATING THE RELAY, IF THE STARTER DOES NOT TURN OVER THE ENGINE WHEN YOU DO THIS IT IS LIKELY THE STARTER MOTOR ITSELF IS NOT WORKING CORRECTLY, YOU COULD ALWAYS REMOVE THE WIRE FROM THE RELAY AND PUT IT MOMENTARILY DIRECT TO THE POS SIDE OF THE BATTERY, INSTEAD OF BRIDGING AT THE RELAY, REMEMBER THAT IF THE BIKE RUNS WHEN YOU JUMP START IT, THEN THE PROBLEM IS WITH THE STARTING SIDE , AND NOT THE IGNITION SIDE AS THE IGNITOR IS CONECTED TO THE IGNITION SIDE REPLACING THIS WOULD BE A WASTE OF FUNDS. THESE MACHINES ALSO HAD PROBLEMS EARLY ON WITH STARTER MOTORS & THE STARTER CLUTCH, WHICH IS A ONE WAY CLUTCH LOCATED IN THE LH ENGINE COVER ALONG WITH THE AC GENERATOR

Nov 29, 2010 | 1985 Yamaha XJ 700 X Maxim

1 Answer

Seems battery (new) on 2006 Electra Glide Classic is draining. Bike won't start......starter sounds like a vaccuum cleaner, just whining. It's not the stator.....bike was charging on highway at 14+...


If you can hear your starter running and the engine is not turning over, the problem is your starter. Specifically, the "overrunning clutch" is bad in the starter. If you are mechanically inclined and have the tools to take the starter off your bike, you can repair this yourself and save some money. If not, you'd be better just to have the shop replace the entire starter. The time involved in disassembling the starter, replacing the clutch, and reassembly will eat up any savings you had recognized by repairing the starter.

Good Luck
Steve

Sep 10, 2010 | Harley Davidson FLHTC Electra Glide...

1 Answer

2000 Suzuki 1500 Have problem!


Yeah, you have a short somewhere in the electrical system, or your alternator is overcharging.

Aug 12, 2009 | 2000 Suzuki VL 1500 Intruder LC

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