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1982 Honda Magna fuel pump does not work

82' Honda Magna fuel pump does not pump. I hear no clicking where I used to hear it a lot. How do you test the pump?

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  • Honda Master
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Hi, Allen the following is a systematic procedure for diagnosing fuel pump issues designed to keep "DRACHMA" to a minimum. If you need parts check with Amazon and eBay first to keep costs down.
1. If your pump does not turn on check the pump fuse and relay and all wiring including connectors for corroded, broken, or loose pins/sockets.
1. Normal fuel pump pressure is 3-5 PSI.
2. Check any rubber or plastic tubing for age-related pinholes by removing and plugging the ends that connect to the fuel valve and then turn on the ignition switch and watch for fuel streams exiting the pinholes, if any exist, replace tubing as necessary.
3. Check for a clogged a primary fuel filter that comes off the bottom of the pump to screen out big rocks and clean as necessary.
4. Check for a clogged secondary fuel filter that's outside if applicable by removing it from the system and replace it with a short splicing tube turn on the ignition switch and recheck fuel pressure if pressure increases to normal pressure you need a new secondary filter.
5. If all the above check out OK and the pump is not functioning properly then you need a new fuel pump.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
Fuel pump trouble
http://www.magnaownersoftexas.com/forums/index.php?topic=4204.0
Honda 1986 VFR 750F Shop Manual
http://www.partsfish.com/page/oem-parts-for-honda
Honda 1986 VRF750F Owner Manual

Posted on Jul 06, 2017

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Posted on Jan 02, 2017

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chadschloss
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SOURCE: How do I change the water pump on a 1994 Honda Magna?

i've never heard of one going bad, but it is a fairly easy process. there are a few used ones on ebay right now for cheap. send me an email and i will send you a copy of the repair manual in .pdf format and if you need further assistnace just send me an email. chadschloss78@aol.com be sure to check out the magna forums as well.
http://www.magnaownersoftexas.com/forums/
http://forums.delphiforums.com/MagnaRider
http://v4hondabbs.com/

Posted on Sep 08, 2009

elshaddai159
  • 1016 Answers

SOURCE: How can I get old fuel out of the reserve tank on

Hi,
Just disconnect the main fuel hose from the carb rail. Ensure that you have switched the fuel **** to reserve and this will allow the reserve tank to empty. Not all the fuel is going to come out unless you blow air into the fuel tank filler, this will then get a large percentage of the fuel out. Hope this helps, let me know how you get on.

Jason

Posted on Apr 04, 2010

  • 77 Answers

SOURCE: wiring diagram for 1986 Honda Magna VF700

Go to http://v4hondabbs.com/index.php. It is an excellent source of free information on Honda V Fours. Register and then ask away on anything you want to know about.

Ride Safely, Ed

Posted on Apr 09, 2010

heimlich
  • 1978 Answers

SOURCE: 1996 honda magna vf750 fuel pump, need rebuild kit

Your model 95 or 96 VF750 Magna does not have a fuel pump. I believe the part you are talking about is the vacuum fuel petcock assembly. The part is only sold from Honda as an assembly.The part number is # 16970-MZ5-003 and runs about $120.

Posted on Apr 10, 2011

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1 Answer

How much psi does a electric fuel pump put out on a 82 honda magna 750


Hi Travis, 2-4 PSI should get you where you want to go anything higher could cause minor performance issues and I am sorry you can't find the first and best tool you ever bought for your Honda but despair not for a mere $6 you can download another one. For more information about your issue, please visit the websites below. Good luck and have a nice day.
https://www.tradebit.com/filesharing.php/search/0/1982+honda+magna+750
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I have a 82 Honda magna vf740c I changed all fuel line orings put it back together and now I can't get it to start. Its got fuel to carbs. Good spark and air flow but won't start any segestions


Hi, Travis and the usual suspects are:
1. Fuel tank empty.
2. Fuel supply valve/petcock turned off.
3. Fouled spark plugs.
4. Engine flooded as a result of overuse of the enricher.
5. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
6. Fuel valve/petcock or filter clogged.
7. 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.
8. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
9. Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
10. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2 and/or BAS).
11. Security alarm needs a reset.
For more information about your issue, please visit the websites below. Good luck and have a nice day.
https://www.tradebit.com/filesharing.php/search/0/1982+honda+magna

Nov 22, 2015 | Honda Motorcycles

1 Answer

1982 vf 750s turns over but wont start


Hi, Anonymous and the usual suspects are:
1. Fuel tank empty.
2. The fuel tank has old dead gas.
3. Fuel tank bottom contaminated with ethanol sludge, dirt, water, rust, etc.
4. Fuel supply valve/petcock turned off.
5. Fouled spark plugs.
6. Engine flooded as a result of overuse of the enrichner.
7. Vacuum hose to the fuel supply valve/petcock disconnected, broken, cracked, or pinched.
8. Fuel valve/petcock or filter clogged.
9. Fuel line to carburetor or throttle body pinched, kinked or blocked.
10. Carburetor float stuck.
11. Fuel injectors clogged.
12. Fuel injectors stuck open.
13. Severely discharged or a damaged battery should have 12.5 volts or more and be able to pass a proper "LOAD" test if necessary, you may have a cursory reading of 12.5 volts or more but little or zero amperage the battery is faulty and must be replaced, AGM batteries fail in this scenario more so than lead acid batteries.
14. 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.
15. Loose or corroded wire connection at the coil or plug between ignition sensor and ECM module.
16. Spark plug cables in bad condition and shorting check for spark leakage in the dark, cable connections loose, or connected to the wrong cylinders.
17. Ignition timing incorrect due to a faulty ignition coil, ignition module or MAP, CMP, CKP, O2, TPS, ETP, IAC sensors.
18. Faulty neutral, clutch lever, or kickstand safety switch.
19. Faulty fuel pump or fuse or relay.
20. A stuck bent or burnt valve.
21. Tilt sensor needs a reset.
22. Security system not disarming alarm needs a reset.
23. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
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Honda Magna VF750C Service Manual
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Feb 08, 2014 | 1982 Honda VF 750 S

1 Answer

82 honda v45 magna ignition problems


Hi, Anonymous what you need is a wiring diagram that you can find in the back of your service manual if you can not find the first and best tool you ever bought for your bike, despair not, for a mere zero $0 you can download another one.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
1982 honda v45 magna wiring diagram Google Search
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Honda 45 SABRE VF750S 1982 Shop Manual
http://www.partsfish.com/page/oem-parts-for-honda
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Apr 21, 2017 | 1982 Honda VF 750 S

1 Answer

82 honda v45 magna ignition problems


Hi, Anonymous before testing any electrical component in the Starter Circuit it is "IMPERATIVE" that you have a fully charged battery of 12.5 volts or more and be able to pass a proper "LOAD" test because your battery may have 12.5 volts or more but little or zero amps causing the battery to be faulty and must be replaced, especially "AGM" batteries.
1. Ignition Switch not in the "ON" position.
2. Engine Run Switch in the "OFF" position.
3. Check the 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.
4. Bank angle sensor needs a reset or is faulty.
5. FOB battery low or dead.
6. Faulty ignition switch.
7. Faulty starter button.
8. Faulty kickstand or clutch pull in switch/sensor.
9. Security alarm needs a reset.
10. Starter relay, solenoid, starter have failed or circuit wiring faulty.
11. Starter armature or field coils have failed.
12. Main fuse or circuit breaker may be blown or faulty.
13. The electric starter is working but starter clutch has failed.
14. Check for engine trouble codes.
For more information about your issue and valuable "FREE" downloads that you will need please click on the blue links below. Good luck and have a wonderful day.
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http://www.fireblades.org/forums/general-discussion/87115-honda-vf700-magna-wont-turn-over.html
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http://www.partsfish.com/page/oem-parts-for-honda
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May 06, 2017 | 1982 Honda VF 750 S

1 Answer

1982 Honda VF 750 S wiring diagram


Here are two halves of the main wiring diagram for a 1982 Magna. Sorry I didn't have a scanner, but if you print these two pictures I took with my phone you should be able to tape them into one diagram. You didn't specify if there was one particular area in the wiring harness that you are interested in. There are more detailed pictures of specific wiring area in the shop manual.
wiring 1-pzklfkrxvlhqozezm0232kyp-4-0.jpg

wiring 2-pzklfkrxvlhqozezm0232kyp-4-2.jpg

Feb 02, 2013 | 1982 Honda VF 750 S

1 Answer

1982 Honda VF 750 S hard to shift


Hi, Lolamar91 and the usual suspects are:
1. Clutch not adjusted properly.
2. Primary chaincase overfilled with lubricant.
3. Corners wore off shifter clutch dogs.
4. Shifter return spring bent or broken.
5. Bent shifter rod.
6. A loose shift lever on shifter shaft.
7. Shifter forks sprung.
8. Shifter pawl needs adjusting.
9. Heel/toe shifter coming in contact with the floorboard.
10. Transmission oil too heavy.
For more information about your issue and valuable "FREE" downloads that you will need for viewing or printing please click on the blue links below. Good luck and have a wonderful day.
gear shift problems on my 1982 v45 magna
http://www.fireblades.org/forums/general-discussion/67212-wet-clutch-help-magna-vf750c-1983-model.html
Honda Magna VF750C Service Manual
https://www.partsfish.com/page/oem-parts-for-honda
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1 Answer

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I own a 1984 Honda Magna VF 700. The speedometer broke and the part is discontinued. Is there another part that I can replace it with? Looking for something in stock to use and not concerned about original parts - just something that will work.

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Is there a problem with the thermo switch? this would probably be a lot simpler to just replace it if it is faulty and on all the time.
As for an override switch just go the fan and find the wires and snip one of them and redirect the wires to a toggle switch.

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