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Go Back   FZ1OA Message Board > FZ1 & Fazer Owners Association > Tires, Brakes, Suspension & Steering > Gen 1 Tires, Brakes, Suspension & Steering

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Old 02-06-2015, 07:56 AM   #21
Desert Goat Herder
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He said he found the problem is the rear brake coming loose if I read it right.
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Old 02-06-2015, 11:48 AM   #22
motomania
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Quote:
Originally Posted by Desert Goat Herder View Post
He said he found the problem is the rear brake coming loose if I read it right.
I may be wrong but I think the rear brake coming loose was just the symptom of the vibration.
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Old 02-06-2015, 11:55 AM   #23
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Quote:
Originally Posted by motomania View Post
I may be wrong but I think the rear brake coming loose was just the symptom of the vibration.
I believe that to be the case. I am going to perform the other tests you mentioned but I won't be back home (where the bike is) until Wednesday 11th, next week.

In the meantime, I need to replace the mounting bolt for the rear caliper. Which bolt is it in this fiche? 2 or 12? I don't see any washers needed either so I'm assuming that the mounting bar off the swing-arm is threaded?

Luckily I have a spare braided rear line that I never installed so provided there is no other damage, that bolt is all I need to fix the caliper back on. And then of course isolate the vibration.
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File Type: jpg Rear Brake Caliper Fiche.jpg (46.8 KB, 187 views)
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Old 02-06-2015, 12:59 PM   #24
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Originally Posted by ajbigwood View Post
I believe that to be the case. I am going to perform the other tests you mentioned but I won't be back home (where the bike is) until Wednesday 11th, next week.

In the meantime, I need to replace the mounting bolt for the rear caliper. Which bolt is it in this fiche? 2 or 12? I don't see any washers needed either so I'm assuming that the mounting bar off the swing-arm is threaded?

Luckily I have a spare braided rear line that I never installed so provided there is no other damage, that bolt is all I need to fix the caliper back on. And then of course isolate the vibration.
Send me your address and I will send you the bolts as I am sure I have at least one set in a box of FZ1 parts.

If there is anything else you can think of that you want, let me know.
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http://www.yamahafz1oa.com/forum/sho...d.php?t=130119
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Old 02-08-2015, 03:00 PM   #25
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I'm in Temecula if you want to ride down to do a comparison.... though my bike is hardly comparable.
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Old 05-15-2018, 04:35 AM   #26
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I'm actually at this point with my FZ now. As many of you know, I'm no stranger to long rides, many 600+ mile days under my belt, and although hands go numb/tingly eventually on those rides, my FZ has gotten exponentially bad in the last 5K miles. Even with using a Cramp Buster, my hands are numb within 20 miles. Especially in this 4K-6K range. It's very severe and like the OP, the vibration isn't just the handlebars, it's in the seat, frame, and if I reach down with my gloved hand, even the motor seems to be vibrating much more

Carb Synch hasn't been done in 2 years and is first up on the list.
Front wheel bearing was good as of 2K miles ago.
FZ is sitting for about 2 weeks at a time now, but none of the standard carb gunk issues are presenting and has no issue idling or quick throttle from idle. Maybe I should run some B12 through a tank?
I did the engine bolt re-torque-big according to Pat's site at the beginning of April, no help, maybe even made it slightly more noticeable.
Carbs are stock I believe but am loathe to get into 16 year old carbs that haven't given me any issues or leaks

This, coupled with my suspension issues I am having, isn't making a pleasant riding experience and for the first time in 40K miles, I'm not too happy riding the FZ for very long
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Old 05-15-2018, 05:59 AM   #27
MichaelFZ1
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Carb sync and report back in. After that I’d go with a valve check if you’ve still got the buzz.
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Old 05-15-2018, 06:11 AM   #28
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Originally Posted by MichaelFZ1 View Post
Carb sync and report back in. After that I’d go with a valve check if you’ve still got the buzz.
ETA on carb synch, mid July when I head to Georgia for some Mr and Mrs Cruzman and Iluvmyfz1 time and some mountain roads
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Old 05-15-2018, 07:04 AM   #29
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Jake,
Run through the basic checklist:
-Air filter good - any restrictions?
-Fresh spark plugs/coils working properly?
-Can you measure exhaust header pipes for individual temps to insure all cylinders are firing and even?
-When was last valve adjustment?
-Any vacuum leaks?
-Any clutch slippage?
-What is the condition of your chain/sprockets?

Walk the dog on each of these and let us know. Do the carb cleaner and sync. If you clutch in while on the road, does the vibration die? What's the condition of your tires?

I missed your post on suspension - what's going on there?

Ron
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Old 05-15-2018, 12:23 PM   #30
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It feels like all of this bad feeling on your FZ started with those Roadsmarts you put on, or is that just coincidence?
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Old 05-15-2018, 03:37 PM   #31
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So did the OP get his issue fixed?
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Old 05-15-2018, 08:56 PM   #32
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AJ, I recently did a swap for a different caliper and have the stock rear caliper and Braided Galfer as well as stock brake line in a box. If you need anything, PM me. Yours for the cost of shipping.

And I'm glad you're ok after that hairy situation.
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Old 05-15-2018, 09:29 PM   #33
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Originally Posted by hooligan998 View Post
AJ, I recently did a swap for a different caliper and have the stock rear caliper and Braided Galfer as well as stock brake line in a box. If you need anything, PM me. Yours for the cost of shipping.

And I'm glad you're ok after that hairy situation.
I appreciate the offer but I loosened mine up ages ago and it has worked fine since. I never really got the vibrations under control - they seem to come and go and i learned to live with them. My last hope is that it is related to a valve adjustment which I have planned for 50k (Currently at 48,700) and I'm not sure if PO ever did them. Other than that, I've just learned to live with numb hands lol.
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Old 05-15-2018, 10:59 PM   #34
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LOL...didn't realize how old the original post was. :smack:
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Old 06-02-2018, 10:28 AM   #35
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Ride 70 miles yesterday. My bike is super bad. My grabrails behind the seat are vibrating ungodly amounts. Grabbed it with my left hand while riding at 75 mph (5K RPM) and it went numb very quickly. So that means my frame even is vibrating horribly. It's not an exaggeration of how much vibration I'm getting. Gonna run some B12 through it but I doubt it'll help. Carb synch is needed but this is crazy amounts of buzz to just be that. I don't know what to do. I'm sure a valve check could be done too, but that's just more $$$ into the ole gal. At 63K, valves were in spec barely at 48K.
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Old 06-02-2018, 03:17 PM   #36
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My bike's vibrations were getting more and more annoying as I got closer and closer to the valve adjustment interval. All exhaust valves were too tight.

Much better now that I've done it.
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Old 06-02-2018, 09:39 PM   #37
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The interval is around 25k miles isn’t it? Mines coming up on 50k and I’m embarrassed to say I’ve never done them but will once I hit 50. I need to find someone to help me
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Old 06-03-2018, 05:55 AM   #38
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Yes it's 26.7k miles. I did mine at 25.5k. I think valve adjustment will help with your vibrations a lot. It'll also be healthier for your engine.

I did my first valve adjustment ever by myself last week. It wasn't that bad at all. I'm not sure what Gen1 valve job entails but I doubt it's much different.
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