Power valve issue
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Hi peeps. I have A 2006 dt x sm. The issue is the power valve does it's cycle when ignition is put on but when I start the engine
it goes to the right slightly as it should I think but from there on it doesn't move at all even when revving it high. Any ideas? Havnt had the bike long. Did work well for a few weeks then occasionally but now doesn't work at all in high revs.
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@thechompster check for corroded connections or loose connections
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@declan I did go over the connections the weekend. Some were a bit crappy so wire brushed them unless the connections are a bit dry. Didn't have any maintenance spray but will give them another clean now I have some. Would the servo make it go like that do you think?
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@thechompster it’s possible the the teeth on the cogs may have snapped it worth taking a look
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@declan cogs are fine as just changed the chain so checked them both.
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Forced the valve open while engine running and goes like stink top end. Have noticed since I done that and tuned the ignition off and on and start engine it starts to move as it should for a few revs then stops moving again. I'm taking a guess it's the solenoid?
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@thechompster It's a motor on these. So could be the brushes.
Are you sure the valve isn't just gunked up.
Would be worth dismantling the assembly and cleaning it thoroughly.
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@calum it could possibly be gunked up but would it not move when you turn the ignition on?
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@calum do you have a link for how to remove power valve at all?
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@thechompster No, just take the two powervalve end caps off. The offside powervalve housing has a bolt to keep the two pieces together, make sure you don't lose the locating dowels as they're prone to falling out. You'll want to lubricate it with WD40.
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@calum ok thanks for the help. With give it a go.
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@BraDT thats how you take it apart bud
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@declan cheers mate
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Took the exhaust off. A bit dirty in there but rotates easy enough. Goes through the cleaning process nice and easy so all I can do now is change the servo and hope it sorts it.
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Odd that it'll do the cleaning cycle fine but not run right.
I'd be more inclined to say faulty CDI more than anything. I guess these bikes are just starting to show their age.
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@calum yeah I guess they are.apart from that it runs lovely. Will change the servo. If that doesn't do it just the cdi left I guess.
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A friend had a faulty servo, sometime during a ride where the PV was open, it would leave it open. Other times just seem erratic. I believe the gears in the servo was toast.
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@jens-eskildsen ok thanks mate. Very helpfull
Will try another servo then and see what happens.
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@thechompster just out of interest, what spark plug are you running??
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@mitch_350z iridium spark plug
