Cbr954rr will crank no start - Honda Motorcycles - FireBlades.org
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post #1 of 23 Old 03-12-2017, 4:18 PM
Rgoodell
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Cbr954rr will crank no start

I have a 954rr that has been running good, no mods other then slip on and is a mint bike. 18k miles and about a month ago had new plugs and oil, compression checked and the valve clearances checked... all were great I brought home and put new plastics on and tank to finish it.. rode it around couple days and parked it... my brother comes over last night and I show him the bike and start it ran just fine. Then I go to start it up today and wouldn't run at all. Turn the key everything is on... turn on switch and the fuel pump primes and just doesn't start. Like no spark... it just ran last night!! Wth has happened since. Can any one help a brother out. It just crank and doesn't start but does occasionally pop and try to start for a quick second.
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post #2 of 23 Old 03-12-2017, 4:19 PM
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Re: Cbr954rr will crank no start

Flat battery?

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post #3 of 23 Old 03-12-2017, 5:23 PM
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Re: Cbr954rr will crank no start

battery is new and is running off jump cables also so it dont drain
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post #4 of 23 Old 03-12-2017, 5:46 PM
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Re: Cbr954rr will crank no start

When you started it last, did you just start it rev it a few times and then turn it off?
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post #5 of 23 Old 03-13-2017, 12:27 AM
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Re: Cbr954rr will crank no start

yes
post #6 of 23 Old 03-13-2017, 12:58 AM
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Re: Cbr954rr will crank no start

Very hard on an engine and plugs. Better go and check and/or replace the plugs. Chances are, you fouled at least one plug.
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post #7 of 23 Old 03-13-2017, 2:47 AM
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Re: Cbr954rr will crank no start

idk bout that never had any issues in the past doing it. plus these are brand new platinum plugs.. what would randomly cause no spark? it ran the day before and now it doesnt even start
post #8 of 23 Old 03-13-2017, 3:06 AM
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Quote:
Originally Posted by Rgoodell View Post
yes
Gotta let her warm up brotha!!
post #9 of 23 Old 03-13-2017, 3:07 AM
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Re: Cbr954rr will crank no start

Gotta let her warm up brotha!!
post #10 of 23 Old 03-13-2017, 9:36 AM
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Re: Cbr954rr will crank no start

Does it "poot" or "pop" while attempting to start?

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post #11 of 23 Old 03-13-2017, 9:58 AM
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Re: Cbr954rr will crank no start

Quote:
Originally Posted by Rgoodell View Post
idk bout that never had any issues in the past doing it. plus these are brand new platinum plugs.. what would randomly cause no spark? it ran the day before and now it doesn't even start
Just because you haven't had an issue in the past doesn't mean anything. You abuse your equipment, it will abuse your wallet.

What does new plugs have to do with anything. You can foul new plugs just like old plugs. Do you know how plugs get fouled? Most common is too much fuel.

When you first start a gasoline engine either carbed or FI, extra fuel is put into the engine to help it warmup quicker. Then you rev it which is putting even more fuel in the engine. Not good on the engine, not good for the plugs.

How do you know you have no spark? Have you pulled the plugs and checked? If not, then you are just guessing.
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post #12 of 23 Old 03-13-2017, 11:46 AM
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Re: Cbr954rr will crank no start

o guess im guessing but thats next. it will very randomly actualy run for a second but sounds like wrong firong order or something maybe bad plug like your saying. whats easiest way to get to plugs?
post #13 of 23 Old 03-13-2017, 11:59 AM
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Re: Cbr954rr will crank no start

just tried to start nothing..it was making thepoot sound and smelled of gas. some smoke black i think. ill try new plugs. how can i get to them
post #14 of 23 Old 03-13-2017, 12:33 PM
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Re: Cbr954rr will crank no start

spitballing: fouled plug(s), bad coil(s), low compression.

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post #15 of 23 Old 03-13-2017, 4:41 PM
 
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Re: Cbr954rr will crank no start

If you are smelling fuel it may be flooded, try starting it with the throttle held wide open.
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