07-08 intake valve issues - Yamaha R1 Forum: YZF-R1 Forums
07-08 R1 Mechanical Help Mechanical and Critical Issues for the 07-08 R1

 
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post #1 of 18 (permalink) Old 11-02-2012, 05:49 AM Thread Starter
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07-08 intake valve issues

Hello everyone,

Did this issue seem to be a problem for every bike that was during these two years, or did it seem like it was only a "bad batch" for some of the bikes that were released?

For those that had there bikes repaired with this issue, did you get the exact same new valves put back in, or did yamaha find a solution to this and issue slightly different parts to correct this problem with bikes that were still in warantee? Have you continued to have this problem after you put new valves in the bike?

I am asking this because I am looking at an 07 with 9000 miles. I will inspect the vavle stem for wear by looking through intake. But, if everything seems to be ok, I am still curious if this problem may occur later down the road?

Most of the problems regarding this seem to be happening on bikes with a lot less miles than 9000. So Im guessing that if it hasnt had any problems with this issue thus far, I may be in the clear? Is this a reasonable assumption, suggesting that I am not looking at a bike that had "glitches"?

Thank You for all the help, I am new to the forums but have been riding yamaha bikes since 3rd grade
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post #2 of 18 (permalink) Old 11-02-2012, 10:14 AM
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My 08 has 26,000 miles on it with no problems yet. :knock knock:
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post #3 of 18 (permalink) Old 11-02-2012, 11:00 AM
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What was your production date?



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post #4 of 18 (permalink) Old 11-02-2012, 11:22 AM Thread Starter
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I do not know I am going to look at the bike tomorrow. What are the dates that I should be concerned about?
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post #5 of 18 (permalink) Old 11-02-2012, 11:34 AM
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I think we should gather some production dates who had the issue. As far as I know there's no vin range.



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post #6 of 18 (permalink) Old 11-02-2012, 01:23 PM
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Interested as well. Just bought an 07 with 10,000 miles.


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post #7 of 18 (permalink) Old 11-02-2012, 02:06 PM
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Once my bike goes into storage I'll open her up and check the intake valves. 07 with 25,000km's.

-Jamie M.
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post #8 of 18 (permalink) Old 11-02-2012, 05:08 PM
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I think there are far more 07-08's that have not had an issue. You always here about the problems but you never really hear, "my bike has xxxx miles and its still going strong." With that said, my 08 has had no engine maintenance and is @ 17850 tonight.
I do believe there is an unusual amount of problems, but not quite as bad as some think.

Last edited by RedDevil154; 11-02-2012 at 05:10 PM.
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post #9 of 18 (permalink) Old 11-02-2012, 07:20 PM
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I have an 07 with around 31,600 and have had no issues. The only time I don't ride it is when it snows otherwise it has seen all condition. Plus I'm not gentle with it although I don't bounce it off the limiter.
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post #10 of 18 (permalink) Old 11-03-2012, 08:31 AM
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60k..valves look good for the most part...3 slightly leak on my rebuild currently in progress..i plan a whole new set to go in soon...

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post #11 of 18 (permalink) Old 11-03-2012, 03:59 PM
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13k, no troubles yet even tho some people say that the production date bikes 02/07 are the ones with the most likelihood of having that problem( my PY). Im still going to change them up in the spring out of precaution, better safe then sorry.

I love my bike too much to have this mint beauty have a valve break while I'm cruising around.....
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post #12 of 18 (permalink) Old 11-03-2012, 04:17 PM
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thats my thinking... i wouldnt mess with it... could be an issue...
you dont wanna ask for a tissue .. just giter done!


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post #13 of 18 (permalink) Old 11-05-2012, 10:48 AM
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my 02/07 production date valves look pretty good w 60k...lots of carbon buildup but stems look good

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post #14 of 18 (permalink) Old 11-05-2012, 10:59 AM
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Quote:
Originally Posted by r1Totzauer View Post
my 02/07 production date valves look pretty good w 60k...lots of carbon buildup but stems look good
Did you check them all when they were fully open? How did you turn the engine so you could check them all?

-Jamie M.
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post #15 of 18 (permalink) Old 11-05-2012, 02:11 PM
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When I had the motor put I turned the crank by hand and looked at them

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post #16 of 18 (permalink) Old 11-05-2012, 02:13 PM
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Quote:
Originally Posted by r1Totzauer View Post
When I had the motor put I turned the crank by hand and looked at them
What do you think the easiest way to do it with the engine in the bike?

-Jamie M.
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post #17 of 18 (permalink) Old 11-05-2012, 02:28 PM
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Here's the link to the service manual

http://www.mediafire.com/?1zwrwzfyqsi



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post #18 of 18 (permalink) Old 11-05-2012, 05:05 PM
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Same procedure.. Tear bike down to motor turn motor by hand and look in each valve as u turn.. Pretty easy u could get to it in 30-45 min w min skill required...

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