Question about 1983 Yamaha XS 400 L Maxim

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Loses spark 1983 400 maxim yamaha motorcycle loses spark after it is warmed up. spins over but won't start. it's a double cyclinder (in line). Any solutions? Thanks.

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  • Anonymous Mar 17, 2014

    AFTER WARMS UP.

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Change your plugs first , make sure the fuel is not too old or may have water in it .
Check all connections and make sure the coils are well earth .

Posted on Jul 15, 2010

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Starter won't turn to start


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Hi, Anonymous 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. Fuel line to carburetor or throttle body pinched or kinked.
8. Carburetor float stuck.
9. Fuel injectors clogged.
10. Severely discharged or damaged battery, you need 12.5 volts or better and be able to pass a load test if necessary.
11. 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.
12. Loose or corroded wire connection at the coil, battery or plug between ignition sensor and module.
Spark plug cables in bad condition and shorting, cable connections loose, or connected to the wrong cylinders.
13. Ignition timing incorrect due to a faulty ignition coil, ignition module or sensors (MAP, CMP, CKP, O2, TPS, ETP, IAC,or BAS).
14. Faulty neutral, clutch lever, or kickstand safety switch.
15. Faulty fuel pump or fuse or relay.
16. Faulty CDI box if applicable.
17. Tilt sensor needs a reset.
18. Security system not disarming alarm needs a reset.
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.
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Sep 04, 2013 | 1985 Yamaha XJ 700 X Maxim

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Won't start, has gas, has spark fully charged battery


Does it have points, or electronic? Check it out, it might be your problem.

Apr 12, 2013 | 1985 Yamaha XJ 700 X Maxim

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Okay I have a 1986 Yamaha maxim 700 I've been


cant work on these rate for solution

Jan 17, 2013 | Motorcycles

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What is the spark plug gap for 1986 Yamaha xj700 maxim


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. 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.
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Sep 24, 2012 | 1986 Yamaha XJ 700 X Maxim

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What is the spark plug gap for a 86 yamaha xj 700 maxim x


Hi, Anonymous for this scenario you will need your service/owners manual if you can't find the first and best tool you ever bought for your Yamaha, despair not, for a mere $0 you can download another one. 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.
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Aug 08, 2012 | 1986 Yamaha XJ 700 X Maxim

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I have a 1984 Maxim XS 400 L that won't stay running unless choke is on


Hi, Dmg24jeff and the usual suspects are:
1. Fuel cap or fuel tank is not venting properly.
2. Fuel filter clogged.
3. Fuel line pinched or kinked.
4. Float needle and seat sticking.
5. Float level too low.
6. Carburetor bowl vent line clogged/blocked/pinched.
7. Idle adjusting screw set too low.
8. Air/fuel mixture screw set too lean.
9. Idle port, transfer ports, slow air jet clogged.
10. Slow fuel jet clogged.
11. Faulty fuel pump.
For more information about your issue and valuable "Free" downloads that you will need please Click on blue links below. Good luck and have a wonderful day.
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Yamaha XS400 1977 1982 Factory Service Repair Manual PDF Download Manuals... $10
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May 23, 2012 | 1984 Yamaha XS 400 L Maxim

1 Answer

I have a 1985 Yamaha maxim that hasn't been ran


Spray starter into the carb intake with no choke, if she runs for a few seconds then you know its fuel starvation
clean jets & airways & blow through with compressed air

Nov 20, 2011 | 1985 Yamaha XJ 700 S Maxim

1 Answer

My 83 yamaha maxim won't kick over. It has power and its getting gas. I'm stumped. Need help!


Hi and welcome to the site,

Initially, by "won\'t kick over", do you mean the starter will not turn? If yes, check the starter relay. To locate the starter relay, follow the cable from the battery's + terminal.

If on the other hand, the starter will spin but engine will not catch, then check for presence of spark on the plugs.

Good luck and thank you for asking.

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