Valve adjustment - Road Star Warrior Forum : Yamaha Star Warrior Forums

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Old 10-17-2019, 08:28 PM   #1 (permalink)
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Default Valve adjustment

Ok I did a search here for anything on valve adjustment, found nothing. I think I'm right in the fact that this beast has hydraulic lifters but that doesn't mean there isn't an adjustment. I'm getting a noise that sounds like valves when the bike is HOT! Could it be valves or maybe the starter clutch, this noise comes from the front of the motor, I use Mobil One V-Twin oil maybe I should be using something else, I have also noticed that I have a noise when its cold for a bit then this goes away, Im thinking for sure that's the starter clutch, How hard is it to change that clutch? Thanks in advance for any help
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Old 10-18-2019, 07:54 AM   #2 (permalink)
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You can remove half-a-quart of oil and add some rislone or marvel's mystery oil for a half hour ride then change oil and filter. It will un-gum the lifters.

There is an e-manual around here. Your lifters might be fine but might need a valve adjustment due to time.
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Old 10-18-2019, 10:06 AM   #3 (permalink)
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Thanks Ill give that a try
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Old 10-18-2019, 11:08 AM   #4 (permalink)
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Lifters are hydraulic.
Each rocker arm shaft has 2 arms to operate 2 valves @ a time by 1 pushrod. One arm has an adjustment the other does not. The adjustment is to balance the 2 valves. There should be a how to by this author on the forum if it still exists

To find engine noise: If you do not have a mechanics stethoscope use a long screwdriver with the handle stuck in your ear. Engine running touch the blade around the engine to determine the noisy area.
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