Engine Knock? - Page 2
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Thread: Engine Knock?

  1. #16

    Posts
    66
    mine makes noise after about 15 >20 miles out on a ride, the hotter the outside temp. the louder it gets. put on cobra pipes no longer hear the noise.but then again cant hear the wife either...................

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  3. #17

    Posts
    74
    Quote Originally Posted by rich/ginny View Post
    mine makes noise after about 15 >20 miles out on a ride, the hotter the outside temp. the louder it gets. put on cobra pipes no longer hear the noise.but then again cant hear the wife either...................
    LOL, More than one way to skin a cat.

  4. #18
    Just Won't Go Away !
    My Bike(s)
    '08 Bandit, '09 Wee Strom
    Location
    St. Cloud, MN 3rd house NW of the Depot
    Posts
    4,883
    Are you sure it is engine knock and not just a rattle? I have had rattling noises that took me some digging to find, and it sounded like engine noise. Ended up being my hwy. pegs bouncing up and down. Also if you header bolts are loose you may hear a "ticking" sound, on mine it sounded exactly like valves ticking, usually accompanied by backfire on decel.

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  6. #19

    Posts
    74
    Quote Originally Posted by frostbitevinnie View Post
    Are you sure it is engine knock and not just a rattle? I have had rattling noises that took me some digging to find, and it sounded like engine noise. Ended up being my hwy. pegs bouncing up and down. Also if you header bolts are loose you may hear a "ticking" sound, on mine it sounded exactly like valves ticking, usually accompanied by backfire on decel.
    No, It's definitely a knocking sound, we will give it some time to break in and a couple oil changes to see if it goes away.

  7. #20
    Newbie
    My Bike(s)
    suzuki c90t
    Location
    FOLLANSBEE wva
    Posts
    3
    before anything try checking the fule door lock you might have some play in it. had same engine knock on 06 c90

  8. #21
    Found second gear by accident
    My Bike(s)
    '06 C90 / FJR1300-ABS
    Location
    Carmichael, CA
    Posts
    326
    I don't want to turn this into an oil thread, but many times owners have reported knock, and it was resolved with a change of oil or riding behavior. The hydraulic valves can lose prime. Rotella 5-40 synthetic seems to help some, for others, going out and riding hard with higher revs seems to solve the problem.


 
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