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Thread: Valve Adjustment Step-By-Step

  1. #211
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    Quote Originally Posted by Shuvanni View Post
    Hi - Thankks for the post. Two weeks after I did my vales on 28 000 km, it seemd that one cylinder went dead for about 3 seconds, two days later it went the same. I am concerened that I may have dammaged something or did somethiing wrong. Any advice?
    Check cylinder compression.
    You need to find out what is correct compression for your type of NC's engine for South Africa. It depends on the cylinder compression ratio (performance and type of fuel).

  2. #212
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    Given a suitable set of tools, such as -

    tappet tool -
    www.amazon.com/gp/product/B001AWE3X2/
    sideways screwdriver -
    https://www.amazon.com/Neiko-Profile...dp/B07GNPRRVZ/
    perhaps a mirror on a gooseneck..
    (anything else?)

    Is it possible to do the valve adjustment without removing the radiator?

  3. #213
    Super Moderator Valve Adjustment Step-By-Step 670cc's Avatar
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    Quote Originally Posted by kaz View Post
    Given a suitable set of tools, such as -

    tappet tool -
    www.amazon.com/gp/product/B001AWE3X2/
    sideways screwdriver -
    https://www.amazon.com/Neiko-Profile...dp/B07GNPRRVZ/
    perhaps a mirror on a gooseneck..
    (anything else?)

    Is it possible to do the valve adjustment without removing the radiator?
    No. I don’t think you would have room to remove the cylinder head cover with the radiator in the way.

    You need a torque wrench to properly tighten the adjuster lock nuts, and the cylinder head cover bolts. A few cylinder head cover bolts have been snapped off by members of the forum.
    Greg
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    NanCyX . . . . . . . . . . The 250

  4. #214
    Senior Member Valve Adjustment Step-By-Step dduelin's Avatar
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    Quote Originally Posted by kaz View Post
    Given a suitable set of tools, such as -

    tappet tool -
    www.amazon.com/gp/product/B001AWE3X2/
    sideways screwdriver -
    https://www.amazon.com/Neiko-Profile...dp/B07GNPRRVZ/
    perhaps a mirror on a gooseneck..
    (anything else?)

    Is it possible to do the valve adjustment without removing the radiator?
    It is possible to check and adjust the valves without completely removing the radiator. That is how I did it the first time. I did not want to drain the coolant at 8,000 miles. I posted a DIY how-to here at the time but for subsequent valve I & A I caught the coolant in a clean container and reused it. The time saved wasn’t worth the close quarters work and risk of damaging the radiator moving it as far away as the hoses allowed.
    Dave

    GL1800
    NC700XD




  5. #215
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    Quote Originally Posted by 670cc View Post
    No. I donít think you would have room to remove the cylinder head cover with the radiator in the way.

    You need a torque wrench to properly tighten the adjuster lock nuts, and the cylinder head cover bolts. A few cylinder head cover bolts have been snapped off by members of the forum.
    Thanks for the heads up! Took note to be careful with those.

    Quote Originally Posted by dduelin View Post
    It is possible to check and adjust the valves without completely removing the radiator. That is how I did it the first time. I did not want to drain the coolant at 8,000 miles. I posted a DIY how-to here at the time but for subsequent valve I & A I caught the coolant in a clean container and reused it. The time saved wasnít worth the close quarters work and risk of damaging the radiator moving it as far away as the hoses allowed.
    Do you maybe have a link to that post? I'm curious how it goes.

  6. #216
    Senior Member Valve Adjustment Step-By-Step dduelin's Avatar
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    Quote Originally Posted by kaz View Post
    Thanks for the heads up! Took note to be careful with those.



    Do you maybe have a link to that post? I'm curious how it goes.
    First Valve Check - changes to service manual procedure
    Dave

    GL1800
    NC700XD




  7. #217
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    Thanks! Nice to have this info available as well. If only they made the NC700 with hydraulic valves

  8. #218
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    10mm + flat screwdriver. Does a tool like this make the job easier?
    https://www.amazon.com/gp/product/B001AWE3X2/

  9. #219
    Senior Member Valve Adjustment Step-By-Step
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    Still loving this post, thanks again Antarius.

  10. #220
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    Kaz, I agree with Dave: You can do the check and adjust without removing the radiator, but it isn’t worth the hassle or damage risk. It is better to drain & remove the radiator.

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