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Fuel leak Published 10 May 2007 Ref JP-1118791

Yamaha: Fuel Pump

Translated from Japanese · machine translation

Safety-critical recall — fuel leak. If your vehicle is affected, contact your dealer before driving.
Country
Japan
Published
10 May 2007
Units affected
54304
Reference
JP-1118791

Affected vehicles

Yamaha VOX XF50 2004–2007 Yamaha XP500 TMAX 2004–2007 Yamaha Grand Majesty YP250G 2004–2007 Yamaha Grand Majesty YP400G 2004–2007 Yamaha Grand Majesty YP400L 2004–2007 Yamaha Majesty 250 CP250 2004–2007

Hazard

In the fuel tank, the seal material at the fuel pump mounting location is inappropriate, causing ozone degradation that can result in cracks in the seal. Continued use may allow cracks to propagate, and in the worst case, fuel may leak from the pump mounting location when the tank is full.
Show original (日本語)
燃料タンクにおいて、燃料ポンプ取付部のシールの材質が不適切なため、オゾン劣化により当該シールに亀裂が生じるものがある。そのため、そのまま使用を続けると、亀裂が進行し、最悪の場合、燃料満タン時にポンプ取付部から燃料が漏れるおそれがある。

Remedy

Replace the seal at the fuel pump mounting location on all vehicles with a corrective part. (Change from nitrile to fluoroelastomer.)
Show original (日本語)
全車両、燃料ポンプ取付部のシールを対策品と交換する。(ニトリル系からフッ素系に変更する。)

Official source

View the official recall notice