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+--- Thread: full throttle bogging down a bit (/showthread.php?tid=71583)
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full throttle bogging down a bit - Paulfzs - 17-02-15
title says it all..
full throttle bike bogs down but off the throttle a little its fine.
could this be down to the tps being out?
tps has been adjusted but not had time to test it yet.
standard exhaust
standard air filter.
not jetted as far as im aware.
Re: full throttle bogging down a bit - stevierst - 17-02-15
Possibly tps. If it's not that, a good carb balance will do it the world of good.
It has some funny effects on engine behaviour carbs being out.
Re: full throttle bogging down a bit - BBROWN1664 - 17-02-15
get the carbs balanced and reset the TPS once you have done that. Assuming the air filter is clean you will notice a difference but not as much as a freer flowing pipe and K&N would add.
FZS600's do not need rejecting with any (or all) of the mods mentioned above.
Re: full throttle bogging down a bit - Paulfzs - 17-02-15
tps done
carbs balanced today
so much more responsive but still bogging down a little at full throttle :/
Re: full throttle bogging down a bit - Fazerider - 17-02-15
TPS and carb balancing has a big effect at small throttle openings, getting them right makes the bike much smoother at low speeds... not much effect higher up the rev range though.
A new air filter might help. How many miles does it have on it?
I've a pet theory that the carb slides start to lose their teflon coating by about 50,000 miles. This means they can jam if the throttle is opened suddenly causing the bike to bog down, but if the throttle is opened gently the slide has more of a chance to move before the vacuum causes it to stick. Really need to poke a camera into the airbox to see if this explanation holds water though.
Re: full throttle bogging down a bit - Paulfzs - 17-02-15
the engines at 23,000 but the carbs will be 44k+ as far as im aware its the original carb.
i dont think it bogged down on the old 1999 engine though the 03 engine does seem tons faster but not at full throttle.
Re: full throttle bogging down a bit - unfazed - 17-02-15
Did you check the air filter????? :rolleyes
Re: full throttle bogging down a bit - Frosties - 17-02-15
Possible coil pack due to the extra load......
Re: full throttle bogging down a bit - unfazed - 17-02-15
Or the Rectifier/regulator, but he needs to check the normal service items first.
Re: full throttle bogging down a bit - Paulfzs - 17-02-15
(17-02-15, 10:00 PM)unfazed link Wrote:Did you check the air filter????? :rolleyes
well it has one
lmao
Re: full throttle bogging down a bit - darrsi - 17-02-15
(17-02-15, 11:14 PM)Paulfzs link Wrote:[quote author=unfazed link=topic=16005.msg183902#msg183902 date=1424206845]
Did you check the air filter????? :rolleyes
well it has one
lmao[/quote]
After reading some of your posts I wouldn't be surprised if you had a Shredded Wheat fitted. :lol
Re: full throttle bogging down a bit - Paulfzs - 18-02-15
(17-02-15, 11:18 PM)darrsi link Wrote:[quote author=Paulfzs link=topic=16005.msg183922#msg183922 date=1424211244]
[quote author=unfazed link=topic=16005.msg183902#msg183902 date=1424206845]
Did you check the air filter????? :rolleyes
well it has one
lmao[/quote]
After reading some of your posts I wouldn't be surprised if you had a Shredded Wheat fitted. :lol
[/quote]
im resourceful if nothing else lmao
i paid out for a carb balancer though!
Re: full throttle bogging down a bit - unfazed - 18-02-15
Any chance of paying out on a new Air filter, :lol :lol :lol
Re: full throttle bogging down a bit - Paulfzs - 19-02-15
(18-02-15, 06:57 PM)unfazed link Wrote:Any chance of paying out on a new Air filter, :lol :lol :lol
ordered it today
Re: full throttle bogging down a bit - unfazed - 19-02-15
:thumbup :lol
Re: full throttle bogging down a bit - thunderpantz - 27-02-15
I'd be inclined to check the plug caps. I had the same issue with mine, where at full chat about mid way through the rev range it would feel as if I'd hit a puddle of treacle. Ease off the throttle to about 3/4 and is fine. Changed the plug caps to some NGK SD05F and the problem is gone. Very happy me :rollin
Re: full throttle bogging down a bit - darrsi - 27-02-15
(27-02-15, 08:52 AM)thunderpantz link Wrote: I'd be inclined to check the plug caps. I had the same issue with mine, where at full chat about mid way through the rev range it would feel as if I'd hit a puddle of treacle. Ease off the throttle to about 3/4 and is fine. Changed the plug caps to some NGK SD05F and the problem is gone. Very happy me :rollin
4 x NGK SD05F = £10.36 incl. postage
4 x OEM plug caps = £222.76 incl.postage
Re: full throttle bogging down a bit - ShadowFox - 19-07-17
Hi, Dan here. I'm new to the site but I had the same issue. Bought my fzs600 last week and it would not open up past half throttle. If I eased off it would come up to speed eventually but if I went past half throttle it was like I'd hit a wall. Anyways today I pulled the carb out and noticed a rattle. After opening up the float bowls I noticed in 3of the 4 bowls all the jets had fallen out. I mean off completely. Surprised it's been moving at all. Anyway I put it all back together and took it for a spin. Revs all the way under load now. I'd say it still could do with the carbs balancing but the main issue is fixed.
Re: full throttle bogging down a bit - Disorderlypunk - 19-07-17
£222 for 4 oem plug caps - great now i have to clean up the soggy toast i spat out in shock across my laptop
Re: full throttle bogging down a bit - darrsi - 19-07-17
(19-07-17, 01:12 PM)Disorderlypunk link Wrote: £222 for 4 oem plug caps - great now i have to clean up the soggy toast i spat out in shock across my laptop
That was 2 years ago.
£230.24 now on AJ Sutton website.