zx14r09se
Novice Class
Posts: 92
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posted September 19, 2009 04:32 AM
fine tuning zx14 suspenssion
hey guys.. today its all about suspenssion ...i did mine and it makes a big difference compare to stock... do you have specefic set up for road not racing caus im using my bike for fun days. so its more for the comfy side and not to hit the pavment if i hit a bump wile turning a corner...im realy into doing its so im ganna study suspenssion till i get my bike right.. if you have links or anything
thanks a lot
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live to ride...but only on a 14
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dubious

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Needs more time to ride!
Posts: 8442
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posted September 19, 2009 05:37 AM
springs and revalve necessary to get it right if you weigh more than 150 lbs
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natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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dcjens
Pro
Wet side of Washington
Posts: 1059
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posted September 19, 2009 05:53 AM
try onthethrottle.com There's a video that's pretty informative. I asked the same question with little response
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Black 06
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Sticks_n_Stones

Needs a job
Posts: 3930
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posted September 19, 2009 06:16 AM
Edited By: Sticks_n_Stones on 19 Sep 2009 14:21
quote: springs and revalve necessary to get it right if you weigh more than 150 lbs
negative: doesnt matter what you weigh the stock crap has to go. Rear spring should have never been installed on the bike from the factory level (I weighed 310lbs when I got my bike and had a Racetec 300lb rider single rate 'street' spring put in the rear, one step over 300lb rider 'street' springs in the forks). After changing springs twice (300lb then next stiffer) I'm still not happy with the front end so a catridge setup will be my next mod. Rear spring is a bit soft for aggressive cornering, but sucks up even the hardest hits without ANY squirms or issues, even under WOT while at full lean- cant ask for much more than that from a rear on a torque beast like our bikes.
With the 300lb rider front/rear springs on I was in a corner at full lean doing about 160mph and accellerating when I hit a big nasty sinkhole dip in the road: nearly threw my foot off the peg, tore up the L/H lower fairing, bottomed the rear and nearly the front, but besides the fact I went from right next to the center line to the very outer edge before my tires retouched the ground I was able to easily continue my same line through the corner completely unchanged except for the stain in my underwear. I can guarantee you I would have died if I hit the same scenario with my race prepped TL1000R.
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'06 zx14
Muzzy M10/M14
PCIII w/ Muzzy map
Flies out K&N in!
bits n pieces...
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dubious

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Needs more time to ride!
Posts: 8442
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posted September 19, 2009 07:05 AM
the 14 is sprung properly for 140-150 lb rider, but our 300 lb chimp knows what 150 lb rider needs...LOL
racetech and ohlins spec the stock springs for 150 lbs...
____________
natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
|
Sticks_n_Stones

Needs a job
Posts: 3930
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posted September 19, 2009 09:30 AM
Chimps dont weigh 300lbs, thats Orangutan territory-- or Sasquatch territory if you live up in Washington State.
____________
'06 zx14
Muzzy M10/M14
PCIII w/ Muzzy map
Flies out K&N in!
bits n pieces...
|
zx14r09se
Novice Class
Posts: 92
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posted September 19, 2009 09:41 AM
quote: try onthethrottle.com There's a video that's pretty informative. I asked the same question with little response
did you perfom the setting
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live to ride...but only on a 14
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zx14r09se
Novice Class
Posts: 92
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posted September 19, 2009 09:43 AM
im not plannig to change anything but is there somone ho and done changes and ad improuvement
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dubious

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Posts: 8442
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posted September 19, 2009 11:23 AM
quote: Chimps dont weigh 300lbs, thats Orangutan territory-- or Sasquatch territory if you live up in Washington State.
LMAO
I suppose, or gorilla ! LOL
Stix did you try heavier weight oil to help control the springs?
Also if its hanging too low in the travel springs are required, but if you just want to control bottoming adding oil height can help alot.
I am thinking for your weight and springs a revalve is required, but for us mere mortals under 200 lbs, the proper spring, 7 wt oil, and playing with oil heights makes a substantial difference, although revalve is better, not totally necessary.
____________
natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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Sticks_n_Stones

Needs a job
Posts: 3930
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posted September 19, 2009 01:18 PM
Never changed oil or height of oil: dont know that much about it and kinda a PITA to 'get to'. The revalve is what I'm thinking for this winter: come out in spring with a full on Ohlins setup on the 14-- maybe even some lighter weight rims!
____________
'06 zx14
Muzzy M10/M14
PCIII w/ Muzzy map
Flies out K&N in!
bits n pieces...
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dcjens
Pro
Wet side of Washington
Posts: 1059
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posted September 19, 2009 06:43 PM
did you perform the setting????
My skinny ass could not get the back to sag no 1 1/4 to 1 1/2 like the video.(I measured about 5/8 to maybe 3/4") . I found my rear spring to be 35 to 38 mm ( top of spring to top of threads) and read 22 mm is a start. I can touch flat footed now which is nice for backing up. (previous owner had every adjustment screwed closed) for 2 up riding? the thing was dangerous. I weigh barely 160 without gear. bike feels very plush and I haven't pushed it ( it's been raining).
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Black 06
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dcjens
Pro
Wet side of Washington
Posts: 1059
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posted September 19, 2009 06:45 PM
quote: the 14 is sprung properly for 140-150 lb rider, but our 300 lb chimp knows what 150 lb rider needs...LOL
racetech and ohlins spec the stock springs for 150 lbs...
hahaha that was funny shit right there
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Black 06
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derpie

Expert Class
Dont judge a book by its cover
Posts: 269
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posted September 19, 2009 07:32 PM
quote: Never changed oil or height of oil: dont know that much about it and kinda a PITA to 'get to'. The revalve is what I'm thinking for this winter: come out in spring with a full on Ohlins setup on the 14-- maybe even some lighter weight rims!
Do you think light weight rims are safe for such a heavy and porky bike ??
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Sticks_n_Stones

Needs a job
Posts: 3930
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posted September 20, 2009 05:41 AM
Depends... forged marchisi's will be stronger than stock cast I bet. And if you think full race rims got it easy with there 400lb bikes and 150lb riders think again: the stresses they go through are off the chart compared to the average pothole our bikes will experience! That being said.... I've heard of more than a few cheap aftermarket "lightweight" rims breaking on stuff no rim should ever break on: speed bumps, potholes, coming down from a 12oClock wheely.
I'm an exception being that Im so big: but for most other normal sized (skinny punk in other words) riders its a moot point: the 14 with a 4 into 1 is realistically only 30-40lbs more than your average 1000. Not a big deal IMO.
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'06 zx14
Muzzy M10/M14
PCIII w/ Muzzy map
Flies out K&N in!
bits n pieces...
|
dubious

Needs a life
Needs more time to ride!
Posts: 8442
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posted September 20, 2009 05:50 AM
90 % of rim strength is a result of the tire and rim and tire pressure structure. reduced tire pressure reduces rim strength, That said 75% of all wheel failures are at the hub/ spoke juncture
____________
natural selection.....
destiny will overcome intervention.
Some are not worthy of the effort.
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