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Vehicle Description / Story
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  • Make: Yamaha
  • Model: DT125R
  • Year: 1989
  • Mileage: --
  • Colour: Metallic Blue Pearl Sparkle
  • BHP: --
  • Top Speed: --
  • Purchased Price: £450
  • 1/4 Mile Time: --
  • Description: --
  • Color: Custom Metallic Blue Pearl Sparkle
  • Price: 450.00
  • Year: 1989
  • Odometer: 690
  • Odometer Unit: Miles
  • Description: Previously used as a field bike.<br /><br />Restored to road use after many headaches and a lot of cash! Bored out to an unconfirmed 180cc. I have seen no proof of receipt for this but it is incredibly fast on take off! <br /><br />Now on the road as an on-going project!

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Calum122

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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