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Yamaha DT125R
LiamDTR
By LiamDTR, 01/10/2011
  • 4,657 views
  • 1 comment
  1.

    Pro Bolt Body Panel Kit  

    Fairing Bolts Black · 03/25/2011

  2. Polisport Headlight  

    Headlight · 03/25/2011

  3. Pro Taper Fatbar  

    Handle bars · 03/25/2011

  4. HPires Rad Scoops  

    Aftermarket rad scoops · 03/25/2011

  5. Rally Cross Pirelli MT 21 Tyres  

    Rally Cross Tyres · 03/19/2011

  6. Expansion Chamber  

    Gutted the expansion chamber · 03/19/2011

  7. Arrow Tail Pipe  

    Arrow Silencer · 03/19/2011

  8. Front Mudguard YZF 450 2010  

    YZF 450 Mudguard 2010 · 03/19/2011

  9. Universal LH Switchgear  

    Replacement · 03/02/2011

  10. Hy-Tech Racing Reeds  

    Faster throttle response · 03/02/2011

Comments

Calum122

The bore CANNOT reach 180cc I'm afraid. 134cc with the powervalve intact although shaved. Any more than this and you will need to remove the powervalve since there is no room left to machine off the PV.

The only way you could get close to 180cc is by have the Athena kit. But even then the Athena kit is SO underpowered that it wouldn't warrant doing.

You get better results boring and tuning the standard 125 barrel.

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