900rr is cranking,but wont turn over(and is backfiring)
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Registered User
Joined: Sep 2004
Posts: 484
From: Long Island, NY
900rr is cranking,but wont turn over(and is backfiring)
anybody have a clue as to why? The bike started fine...i took off the plastics including the tank and now the bike wont turn over. Yes,the gas in in the (on) position,choke is up,battery is good,and i dont know what the fu@# is happening. By the way this is my first stunt bike so bare with me!!!!!!! 
Oh yeah and the bike is backfiring. Bucking shots!!!!!
Oh yeah and the bike is backfiring. Bucking shots!!!!!
Registered User
Joined: Aug 2003
Posts: 619
From: ND
Re: 900rr is cranking,but wont turn over(and is backfiring)
it might not be related to your problems (not sure if you have fuel getting to the carbs or not). But when i first got my f2 I was putting the fuel tank back on and I pinched one of the vent lines under the tank. The bike died 4 blocks away and it took me a good while to see what had happened. I reached under the tank (plastics were still off) and free'd the line. Check it.
Registered User
Joined: Nov 2003
Posts: 2,936
From: State College dawgs, PA
Re: 900rr is cranking,but wont turn over(and is backfiring)
i have the same problem, the bike has spark and fuel but all it does is turn over and backfire every once in a while... im still workin on it- o and mines is a 99 900rr
Registered User
Joined: Jan 2005
Posts: 476
From: Northern Cali, now philly :(
Re: 900rr is cranking,but wont turn over(and is backfiring)
Originally Posted by NYgsxr1000
anybody have a clue as to why? The bike started fine...i took off the plastics including the tank and now the bike wont turn over. Yes,the gas in in the (on) position,choke is up,battery is good,and i dont know what the fu@# is happening. By the way this is my first stunt bike so bare with me!!!!!!!
Oh yeah and the bike is backfiring. Bucking shots!!!!!
Oh yeah and the bike is backfiring. Bucking shots!!!!!
llet me kno when you do it,,
FREESTYLE ARTIST
Joined: Oct 2002
Posts: 1,103
From: NJ/NY/CA
Re: 900rr is cranking,but wont turn over(and is backfiring)
What year is it???
What do you mean it wont turn over??? It wont start??
its cranking over trying to start but is backfireing through the exhaust, intake or both??
Why did you have all the plastics off??
How long has it been since it ran good?
How old is the gas???
What do you mean it wont turn over??? It wont start??
its cranking over trying to start but is backfireing through the exhaust, intake or both??
Why did you have all the plastics off??
How long has it been since it ran good?
How old is the gas???
Registered User
Joined: Nov 2004
Posts: 23
From: DALLAS, TX
Re: 900rr is cranking,but wont turn over(and is backfiring)
Change the plugs is right cause you have flooded. Happened to a friend of mine no more than a week ago. And make sure all of the lines a correct when you put it back togeth :YEAH er.
Thread Starter
Registered User
Joined: Sep 2004
Posts: 484
From: Long Island, NY
Re: 900rr is cranking,but wont turn over(and is backfiring)
Tony D
1- it is a 99
2-it cranks but wont start!!
3-backfiring thru exhaust only
4- bought the bike with just a fender, tank and tail(took them off to re-paint the bike) 5-bike ran good 2 weeks ago b/f i took it apart
6-the gas is brand new
1- it is a 99
2-it cranks but wont start!!
3-backfiring thru exhaust only
4- bought the bike with just a fender, tank and tail(took them off to re-paint the bike) 5-bike ran good 2 weeks ago b/f i took it apart
6-the gas is brand new
FREESTYLE ARTIST
Joined: Oct 2002
Posts: 1,103
From: NJ/NY/CA
Re: 900rr is cranking,but wont turn over(and is backfiring)
Ok Check and replace the plugs for sure with NGK CR9EH-9's
Make sure you got a good charge on the Battery
Also check/clean the aribox before you put it back on, sometimes mice and squirrles like to make their homes in there especially in the winter
Do that and let us know what happens
Make sure you got a good charge on the Battery
Also check/clean the aribox before you put it back on, sometimes mice and squirrles like to make their homes in there especially in the winter
Do that and let us know what happens
Registered User
Joined: May 2003
Posts: 257
From: Kingston , NY
Re: 900rr is cranking,but wont turn over(and is backfiring)
Hey whats up I had a cbr F3 that did the same ****. I would almost guarentee it is your regulator rectifier. It is used to send the spark to your bike. Whats happening is the spark isn't firing all the time and the bike is getting loaded with fuel once it finally does spark. Bikebandit.com has some good prices on oem stuff or try ebay if you dont mind trustin people on there. 
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