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Message started by USAirman1993 on 01/20/15 at 08:08:40

Title: No Start
Post by USAirman1993 on 01/20/15 at 08:08:40

Recently bought an 05 s40 and it doesn't start. Originally it would just crank and try to start and even backfired a few times. now it just clicks and shuts off when I hit the starter button. I replaced the battery with a lithium one and installed a raptor petcock because the original was broken when I bought it. I tried to check the ground wire and was told it connected to the back of the engine casing but all I saw was a bolt there and no wire. :-? Wondering if one of those safety switches could have went out also and caused this? Any ideas? :-/

Title: Re: No Start
Post by Serowbot on 01/20/15 at 08:15:19

Clicking is almost always a low battery... (many new batteries don't come fully charged)...
The ground strap should be just behind the clutch actuator on the right, rear  of the engine case... (if it ain't there, you need to run one)...
...(if it ain't there,.. where does the negative terminal go?)... :-?...
...(how many amps is your lithium battery?)...

Title: Re: No Start
Post by USAirman1993 on 01/20/15 at 08:26:01

14 Ah and 260 CCA/CA. but even when the old battery was charged up I still couldn't get it to turn over start,  it would just crank and crank :-?. Can I somehow bypass the safety stuff to rule them out? :D

Title: Re: No Start
Post by Serowbot on 01/20/15 at 08:30:06

Noop... if it's clicking or cranking, the safeties aren't the problem...

Get the battery charged so the engine will crank,... make sure you have good ground ...
... then, you need to check the basics... air, fuel, fire, compression...

We'll be glad to help,.. once you can turn the engine over...

If the battery really is strong... I would guess you need to check the starter relay and solenoid... but that is a rare problem and not likely on a bike that new...

PS... I know nothing about charging lithium's...
Dave is the expert... he'll chime in when he's available... ;)...

Title: Re: No Start
Post by USAirman1993 on 01/20/15 at 08:32:54

Copy, thanks for the help. I'm TDY right now, but i'll start troubleshooting on Friday when I get back. 8-)

Title: Re: No Start
Post by verslagen1 on 01/20/15 at 08:51:53


5F6F6D7C7C753D3F0C0 wrote:
I replaced the battery with a lithium one and installed a raptor petcock because the original was broken when I bought it.


DON'T run that Lithium battery to death or you'll be buying another real quick.  They don't like to totally drained.

Title: Re: No Start
Post by Dave on 01/20/15 at 08:52:57


4355425F47525F44300 wrote:
Noop... if it's clicking or cranking, the safeties aren't the problem...

Get the battery charged so the engine will crank,... make sure you have good ground ...

We'll be glad to help,.. once you can turn the engine over...

PS... I know nothing about charging lithium's...
Dave is the expert... he'll chime in when he's available... ;)...



Seems that the word "cranking" is being used interchangeably again, and causing some confusion.

If when you hit the starter button the starter turns the engine over.....that is "cranking".

If the engine cranks and then doesn't "start"....the starter is turning the engine over (cranking) - but there are other issues (ignition, compression, fuel) that will not allow the engine to start and run.

I am the Lithium Expert? :o  Boy are we in trouble!

I have been using a Lithium battery in my bike for 2 years.....without problems.  I have an Earth-X and they don't want you to charge or use a battery tender at all.  Lithium batteries can die instantly if they are overcharged or run flat.....even just one time.  If you have any doubts about your bike having a clock, GPS power supply or something that draws power when the bike is in long storage.....disconnect the battery cable when the bike does into long term storage.  My bike can sit for 3-4 months straight, and the battery just fires the bike right up when spring returns and I hit the starter button.  I bought my Lithium for the small size and weight....the long term storage is an added benefit.

For charging your Lithium....I would be very careful and do whatever the manufacturer suggests.  Be very careful with the amperage and length of time you charge it.

The positive battery terminal should go from the battery to the key....with a smaller wire going to the wiring harness and starter solenoid.  The negative battery terminal should be connected to the battery terminal and then the wire is grounded on the right side of the engine just above the oil sight window.

Dave

Title: Re: No Start
Post by USAirman1993 on 01/24/15 at 12:52:57

So I charged up the battery and tested the starter. Starter is strong. I put both back in the bike went to start and it's now cranking but won't start. It just keeps cranking and trying to turn over. Any more suggestions? :'(

Title: Re: No Start
Post by justin_o_guy2 on 01/24/15 at 13:42:00

Shoot a little starting fluid in it.

Title: Re: No Start
Post by USAirman1993 on 01/24/15 at 16:10:05

Starting fluid worked. It ran for about five seconds and as soon as I let off the throttle it died.

Title: Re: No Start
Post by old_rider on 01/24/15 at 16:43:46

Not sure on your level of mechanical skill so don't take this wrong...

Time to start checking the fuel flow.....

Try draining your carb.  put a hose funnel under your carb bowl and turn that screw counterclockwise to drain the bowl.

While the drain is open, turn your fuel tank valve to open, make sure there is good flow.

If there is good flow.... close them both up and rap on the side of the carb bowl with a screw driver handle (your float needle might be stuck).

If that doesn't work, pull the carb bowl and try to clean the tip of the float needle and seat.


Title: Re: No Start
Post by verslagen1 on 01/24/15 at 16:48:40

I think I would clean the carb, cures many ills.

Title: Re: No Start
Post by justin_o_guy2 on 01/24/15 at 17:18:50

Mmmkay, let's slow down...
Soon as you let off the throttle,it died..
It ran for a few seconds.


How old is the gas?

If you don't have a volt meter,get one. You can't do much without one,and a  
little battery charger. These little batteries don't appreciate having Big Amps shoved in them.
A cheap, Harbor Freight meter is good enough.

Do drain the carb bowl into a clear cup. Need to see how much is in there and what it looks like.

What is known.
You have spark and air and compression, all good so far..
Don't pull the plug, ever, without first cleaning out the cavity it sits in.

Title: Re: No Start
Post by USAirman1993 on 01/25/15 at 10:48:34

To clean the bowl do I have to remove the carb from the bike?

Title: Re: No Start
Post by verslagen1 on 01/25/15 at 10:54:52


6252504141480002310 wrote:
To clean the bowl do I have to remove the carb from the bike?

To drop the bowl, no, but you may need to pry back the battery box to get a clear shot at it.  easy way is too take a ratchet tie down, hook it around the bat box and around the backside of the tire.

Title: Re: No Start
Post by KennyG on 01/25/15 at 11:58:56

Verslagen,

Do you remove the chrome cover from the battery before you wrap the ratcheting tie down around the battery box?

Kenny G

Title: Re: No Start
Post by verslagen1 on 01/25/15 at 12:23:18


1B353E1322312338500 wrote:
Verslagen,

Do you remove the chrome cover from the battery before you wrap the ratcheting tie down around the battery box?

Kenny G

Probably would be a good idea.

Title: Re: No Start
Post by KennyG on 01/25/15 at 13:34:40

Verslagen,

Thank You!

Kenny G :)

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