Bogs out at 7k RPM
12-27-2013, 11:46 PM
#1
Junior Member
Squid
Thread Starter
Join Date: Nov 2013
Posts: 6
Bogs out at 7k RPM
Hi all.
I have an interesting err
I bought a VTR 1000 Firestorm 2000. Drove wel and throught the rev range but slow,but lazy not that big bang everybody was talking about. So i check the carbies and found 135 main jets. Got the right jets 185 and wow more power on low revs and pull away now without stalling. But bike bogs ot at 7k rpm.
So check timing. seems fine.
So i take of the top cover of air box and it goes through the revs and with some loads of power first time bike pics up in second.
What seems to be the problem. bike runs great, starts easy.
please advise?
I have an interesting err
I bought a VTR 1000 Firestorm 2000. Drove wel and throught the rev range but slow,but lazy not that big bang everybody was talking about. So i check the carbies and found 135 main jets. Got the right jets 185 and wow more power on low revs and pull away now without stalling. But bike bogs ot at 7k rpm.
So check timing. seems fine.
So i take of the top cover of air box and it goes through the revs and with some loads of power first time bike pics up in second.
What seems to be the problem. bike runs great, starts easy.
please advise?
12-28-2013, 07:02 AM
#3
Junior Member
Squid
Thread Starter
Join Date: Nov 2013
Posts: 6
Hi there.
Thanks for reply
I have checked timing.
My way.
Turn crank up to " R T" then the cams shows on marks IR and ER outwards alighning with head top and cam lobes showing inwards up.
Turn Crank up to "F T" then the cams show on marks IF and EF ouwards alighning with head top and cam lobes showing outwards .
Does this sound right
Thanks for reply
I have checked timing.
My way.
Turn crank up to " R T" then the cams shows on marks IR and ER outwards alighning with head top and cam lobes showing inwards up.
Turn Crank up to "F T" then the cams show on marks IF and EF ouwards alighning with head top and cam lobes showing outwards .
Does this sound right
12-28-2013, 09:03 AM
#4
Senior Member
SuperBike
Join Date: Sep 2008
Location: Essex, UK
Posts: 1,707
It can appear fine but it can be still 180 out.
www.vtr1000.org • View topic - Cam timing
http://www.vtr1000.org/phpBB3/viewtopic.php?f=9&t=28729
http://www.vtr1000.org/phpBB3/viewtopic.php?f=9&t=30309
www.vtr1000.org • View topic - Cam timing
http://www.vtr1000.org/phpBB3/viewtopic.php?f=9&t=28729
http://www.vtr1000.org/phpBB3/viewtopic.php?f=9&t=30309
Last edited by Wicky; 12-28-2013 at 09:06 AM.
12-28-2013, 12:06 PM
#7
Junior Member
Squid
Thread Starter
Join Date: Nov 2013
Posts: 6
yes did do. changed timing back now bike smooth again but stil bogs at 7k rpm. the previous ouk put in smaller jets that made the bike rev through but not so powerfull. with out airfilter bike runs great into red line!
Just dont understand. oem airfilter.
185 jets
air screws 2 turns out. standard needles
45 slow jets.
Just dont understand. oem airfilter.
185 jets
air screws 2 turns out. standard needles
45 slow jets.
01-02-2014, 03:32 AM
#14
Junior Member
Squid
Thread Starter
Join Date: Nov 2013
Posts: 6
01-19-2014, 04:32 PM
#15
Senior Member
Superstock
Join Date: May 2012
Location: UK
Posts: 397
They are 185 and 188.
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185 188 will be too large if your running a standard filter!!! Start with the plugs and air filter, then move onto jetting to suit. Don't forget to do a carb balance/sync after making any jet changes to the carbs.
(:-})
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