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08-18-2011, 08:40 PM
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#1 |
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Registered User
Join Date: Apr 2011
Posts: 52
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High Vibrations
So I bought an FZ1 GEN 1, a while ago, and I LOVE this bike. I have put ivans jet kit on, and have a micron gp slip-on. However my bike vibrates a HUGE amount. So much so that when I ride without gloves my hands feel a little desensitized after 45 minutes. I have balanced the carbs, and maintained her well. Is this normal? or is something wrong? Thanks fellas
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08-18-2011, 09:12 PM
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#2 |
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Now where did that come from?
Join Date: Nov 2008
Location: Milpitas, CA
Posts: 2,548
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Not normal. The Gen1 I rode was smooth across the entire rev range.
__________________
Loosenut A.K.A. Mike YouTube channel - Mike Loosenut 2007 Yamaha FZ1 - Raven. Modded out 2005 GasGas EC300 (with plate), 2004 GasGas Pampera 280 (hers) And the 1975 CB500T Cafe project bike |
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08-18-2011, 09:21 PM
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#3 |
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Fontana's 1st crash test dummy
Join Date: Sep 2006
Location: So. Cal. (Fontana)
Posts: 1,103
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Un-evenly worn tires? I recently put on a new front and it made a huge difference.
Good luck. 
__________________
 Mod list: PCIII, perfection map, Flies, FCE, o2 discon, BMC filter Gutted cat's, Mivv GP Ti, AIS, Airbox mod, Speed King Rear sets, Unprofessionally butt dyno'ed, results..... 
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08-18-2011, 09:38 PM
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#4 | ||
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I poop a lot
Join Date: Nov 2008
Location: Salt Lake City
Posts: 1,933
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I had a vibration in the bars, after I added the exhaust system. Turned out I was too rich where the vibe was. A rejet (one size smaller main jet) cured the issue.
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I have a photographic memory. Sadly, all the film has been exposed. Quote:
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08-19-2011, 08:54 AM
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#5 |
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Registered User
Join Date: Oct 2003
Location: Russellville, AR
Posts: 4,322
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TPS setting can affect engine vibration. Did you set it per Ivan's instructions?
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08-19-2011, 11:58 AM
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#6 |
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Registered User
Join Date: Nov 2010
Location: San Jose, CA
Posts: 1,196
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1) Why are you ever riding w/o gloves? Take it from me, picking sand out of the heel of your hand and your knuckles 3-4 years after a crash is a real pita!
2) Changing the pipe probably changed the jetting 3) Make sure all your engine mount bolts are tight 4) You might consider adding some weight to the handlebars or filling the handlebars with RTV as either will change the resonant frequency of the handlebars and thus change when they vibrate and how much. Last edited by motomania; 08-19-2011 at 02:59 PM. |
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08-19-2011, 12:25 PM
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#7 |
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Now where did that come from?
Join Date: Nov 2008
Location: Milpitas, CA
Posts: 2,548
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I was waiting for someone to jump on the "no gloves" statement.
__________________
Loosenut A.K.A. Mike YouTube channel - Mike Loosenut 2007 Yamaha FZ1 - Raven. Modded out 2005 GasGas EC300 (with plate), 2004 GasGas Pampera 280 (hers) And the 1975 CB500T Cafe project bike |
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08-19-2011, 07:49 PM
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#8 | |||
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I poop a lot
Join Date: Nov 2008
Location: Salt Lake City
Posts: 1,933
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Quote:
Gloves help a TON!
__________________
I have a photographic memory. Sadly, all the film has been exposed. Quote:
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08-19-2011, 12:29 PM
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#9 |
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Just another Slow Poke
Join Date: May 2005
Location: Souf Kakalacky
Posts: 8,982
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TPS setting, Carb Sync, After market bars, WEAR Gloves
__________________
Dovie'andi se tovya sagain "Those who say it cannot be done should not interrupt the people who are doing it." "Now and then it's good to pause in our pursuit of happiness and JUST BE HAPPY." 
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08-23-2011, 09:05 PM
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#10 |
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Registered User
Join Date: Apr 2011
Posts: 52
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Yeah I know i need the gloves, when I do wear them it does obviously feel better. I checked the TPS, and the carb sync is done as well. It may be my tire, but the vibrations are so fine, I doubt it would come from the front tire, also I need one anyways.
Slim Johnsen, what smaller main jet did you use? |
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08-23-2011, 09:35 PM
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#11 | ||
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I poop a lot
Join Date: Nov 2008
Location: Salt Lake City
Posts: 1,933
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I went from 145's to 140's. Tuning for a base elevation of ~4k'. I am also running RavenRiders needles, 17.5 pilots, and pods.
If you want to rejet your bike, there are several threads, and options on the forum, on the subject. ( I read you have Ivan's kit..) I have not used Ivan's kit, however, he is a member here, and he is always willing to help out with his kits. Could be worth a phone call to him.
__________________
I have a photographic memory. Sadly, all the film has been exposed. Quote:
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08-25-2011, 07:42 PM
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#12 |
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Old But Not Slow
Join Date: Jul 2004
Location: Hastings,MN
Posts: 7,928
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145 to 140s is two sizes, just to be clear.
tower, pull your head out of your back side. Please people, if it were not for his gear Mark would be D E A D. ATGATT, period, Point Made. Please.
__________________
Glenn Ride,Ride Like the Wind Before I Get Old Integrity Suspension/Midnight Motorcyle (Full Service Center) Traxxion Dynamics Installation & Service - Minnesota 651-304-7286 |
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08-25-2011, 08:16 PM
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#13 | ||
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I poop a lot
Join Date: Nov 2008
Location: Salt Lake City
Posts: 1,933
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Thanks RR. My mistake.
 :I'm still learning.
__________________
I have a photographic memory. Sadly, all the film has been exposed. Quote:
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