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DT125R FORUM

Best powervalve setting for higher revs?

Scheduled Pinned Locked Moved Tuning
19 Posts 8 Posters 1.4k Views
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  • B Offline
    B Offline
    Bananper
    wrote on last edited by
    #1

    Just wondering what's the best powervalve setting for high revs? Where should the little holes in the plastic thing line up?
    Only thing not stock is my gianelli exhaust

    O 1 Reply Last reply
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  • CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #2

    The only way this sentence makes sense is if you have an aftermarket ignition system where you can control the opening and closing of the valve to best suite the bike.

    Otherwise, it's just making sure that when the valve is fully open, that it is flush with the exhaust port, I find taking the exhaust off is the best way to do that.

    Always Originate, Never Pirate!

    B 1 Reply Last reply
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  • O Offline
    O Offline
    oldman
    replied to Bananper on last edited by
    #3

    @bananper said in Best powervalve setting for higher revs?:

    Just wondering what's the best powervalve setting for high revs? Where should the little holes in the plastic thing line up?
    Only thing not stock is my gianelli exhaust

    What setup do you have now? Is the power valve connected/active? Or are you positioning power valve in fixed position.

    B 1 Reply Last reply
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  • B Offline
    B Offline
    Bananper
    replied to oldman on last edited by
    #4

    @oldman it's active πŸ™‚

    1 Reply Last reply
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  • B Offline
    B Offline
    Bananper
    replied to Calum on last edited by
    #5

    @calum so i should just mess around with the wires until it is lined up? Will that give the best performance?

    F declanD 2 Replies Last reply
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  • F Offline
    F Offline
    finnerz89
    replied to Bananper on last edited by finnerz89
    #6

    @bananper yes. Line up the slot with the hole in the casing and leave it be πŸ˜‰

    Or if you want to do it properly take off the exhaust and make sure it's flush with the exhaust port.

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

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  • declanD Offline
    declanD Offline
    declan
    replied to Bananper on last edited by
    #7

    @bananper don’t bother doing it unless you do it through the exhaust port

    S 1 Reply Last reply
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  • S Offline
    S Offline
    scrimsmustang
    replied to declan on last edited by
    #8

    @declan Lol why would you take the exhaust off ? Just use the factory alignment mark on the pully wheel and adjust it to the stamped mark thats what they are for.

    Irongamer727I declanD 2 Replies Last reply
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  • Irongamer727I Offline
    Irongamer727I Offline
    Irongamer727
    replied to scrimsmustang on last edited by
    #9

    @scrimsmustang actually the dot in the cover is often way off. Exhaust should come off to make sure the pv is "flush with the exhaust port".

    1 Reply Last reply
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  • declanD Offline
    declanD Offline
    declan
    replied to scrimsmustang on last edited by
    #10

    @scrimsmustang lol have you seen how far off those marks are I used to rely on them till I looked in the exhaust port pv wasn’t even close to being flush

    Louis-DT-WRL 1 Reply Last reply
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  • Louis-DT-WRL Offline
    Louis-DT-WRL Offline
    Louis-DT-WR
    replied to declan on last edited by
    #11

    @declan yes it’s pretty inaccurate. Perhaps on purpose as a power restriction
    I remembered how it was when I was setting up my zeeltronic

    declanD 1 Reply Last reply
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  • declanD Offline
    declanD Offline
    declan
    replied to Louis-DT-WR on last edited by
    #12

    @louis-james my thoughts exactly

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  • CalumC Offline
    CalumC Offline
    Calum
    wrote on last edited by
    #13

    I've never had any issues with the valve timing.

    Always Originate, Never Pirate!

    declanD F 2 Replies Last reply
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  • declanD Offline
    declanD Offline
    declan
    replied to Calum on last edited by
    #14

    @calum shut up

    1 Reply Last reply
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  • F Offline
    F Offline
    finnerz89
    replied to Calum on last edited by
    #15

    @calum lol mines bang on too

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

    declanD 1 Reply Last reply
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  • declanD Offline
    declanD Offline
    declan
    replied to finnerz89 on last edited by
    #16

    @finnerz89 nah your wrong

    F 1 Reply Last reply
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  • F Offline
    F Offline
    finnerz89
    replied to declan on last edited by
    #17

    @declan jealousy doesn't flatter you πŸ˜‚

    Current bikes:
    DT125X '07
    Street Triple R '11
    Aprilia ETV1000 '02

    Previous:
    DR650RSE '96
    FJ1200 '92

    Louis-DT-WRL declanD 2 Replies Last reply
    0
  • Louis-DT-WRL Offline
    Louis-DT-WRL Offline
    Louis-DT-WR
    replied to finnerz89 on last edited by
    #18

    Maybe it has something to do with different years of PV having different drive shaft shapes (where plastic pulley slides on. Some are diamond and others are rectangular. 100% certain on my 2003 125 cylinder and my wr200 cylinder that the powervalve alignment marks do NOT align powervalve flush with exhaust port approx 8deg out from memory, best way to check is exhaust and head off with piston at bdc

    1 Reply Last reply
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  • declanD Offline
    declanD Offline
    declan
    replied to finnerz89 on last edited by
    #19

    @finnerz89 πŸ˜“

    1 Reply Last reply
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