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Old 05-05-2010, 08:35 PM   #1
yz117
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Yamaha fz6 questions

Just got my baby 2006 yamaha fz6 and when i release the throttle it jerks or when i down shift, now ive rode tons of dirtbikes never had this so is this a street bike thing or is something wrong?

clutch?
to low of revs?
worse?

another question whats the redline, what rpm should i be at when im rolling at 30mph or 60mph?
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Old 05-05-2010, 08:45 PM   #2
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dad just took it for a ride he said he thinks that im going to low rpm and doesnt seem to jerk
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Old 05-05-2010, 08:46 PM   #3
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It's hard to tell much from your description, could be the chain needs to be adjusted.
The redline should be marked on the tachometer. As far as rpm at different speeds, that would depend on 2 things...
What gear you are in and whether or not the sprockets are stock.
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Old 05-05-2010, 08:49 PM   #4
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If you are talking about trying to hold a steady speed at very low rpm then that is drivetrain lash and the engine lugging. It is normal but not a good thing.
Your dirtbike has alot more torque vs weight, therefor you have to keep the revs up a little higher to prevent that jerking back and forth. It's not good for the engine and transmission to have it do that.
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Old 05-05-2010, 08:51 PM   #5
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I THINK the redline started around 12 or 14k, can't remember... but as said it should be marked on the tach. Could be a myriad of things, including your clutch/shift/throttle manner.
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Old 05-05-2010, 08:54 PM   #6
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From a quick search I think the redline is 14k.
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Old 05-05-2010, 09:19 PM   #7
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Quote:
Originally Posted by yz117 View Post
Just got my baby 2006 yamaha fz6 and when i release the throttle it jerks or when i down shift, now ive rode tons of dirtbikes never had this so is this a street bike thing or is something wrong?

clutch?
to low of revs?
worse?

another question whats the redline, what rpm should i be at when im rolling at 30mph or 60mph?
The FZ6 is a little sensitive to how it is shifted and it can jerk a little bit until you figure out how to get a smooth shift on it. It will definitely be jerky if you let off very quickly in the lower gears, roll off the throttle a little more slowly and make your downshifts quick to help with RPM matching. The 1 -2 shift can have a pretty good jerk if not done smoothly. It seems to be the nature of the FZ6 and is normal. As others have said, check your chain adjustment. Extra slack will make it worse.

Redline is around 14K. RPM at 30 or 60 depends on what gear your are in. At 30 probably 3rd or 4th and around 3500 rpm. At 60 in 6th probably around 5k.
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Old 05-06-2010, 02:57 PM   #8
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ok phew that makes me feel better i was worried my new baby had engine issues. Guess gotta get used to it. So just try to do it more smoothly but you think its from being to low of rpm?

as you can tell im a newb on the street im used to wailing on it on my dirtbike not worried bout speed and just keeping the R's up

i looked at red line and it was a small line on the gauge but its 14k lol.
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Old 05-10-2010, 08:55 PM   #9
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i had one too and never jerked. check clutch adjustment and chain.
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Old 05-10-2010, 09:29 PM   #10
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At 60 in 6th you would be doing 5k. Your father is correct you are just shifting too early. The fun doesn't really start until 8 and then it keeps coming until 14. If you are calculating 14k in 2nd is 94mph.

They are a little sensitive (abrupt) at low revs. Also the gearbox is a little baulky between 1st and 2nd, but if you pre-load the shifter (apply upwards pressure before pulling in the clutch) then the gear shifts are smoother.
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Old 05-10-2010, 09:31 PM   #11
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Quote:
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. Also the gearbox is a little baulky between 1st and 2nd,
Is there a yammie Mc based machine that isn't? :-)
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Old 05-10-2010, 10:21 PM   #12
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hey,
i gotz the same bike, same year. Everyone is right, you are either shifting at to low of revs or the chain should be checked. Also it seems to shift alot smoother once the oil is changed. oh and at 60 mpg im usually in either 4 th or 5th. 6 th gear is really only for the highway on a long trek going like 80 + constantly.
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Old 05-14-2010, 08:53 PM   #13
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Take it to Motorcycles Unlimited and have Patrick give it the ol 14 pt or more inspection. They'll check the chain slack, throttle free play, etc.
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