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Ty_Davis118 Started a new thread Cracked titanium gas tank 2018 crf 250f & 450f

1/17/2020 12:38pm

Anyone else out there crack their gas tank right where the seat meets up to the tank? I’ve cracked 2 different tanks now, same exact spot on my 450 & 250. One had all the bolts and rubber mounts in. The other I was told to take the back two tank bolts out so it wasn’t so rigid. I took...

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Lukass59 Liked a reply to forum topic Cracked titanium gas tank 2018 crf 250f & 450f

12/20/2019 12:21am

I have one of these on my crf450. Holds slightly more fuel than stock, but not by much. Company said it’s the same ergonomics as the stock tank

This forum topic has 33 replies.

stillwelding Liked a reply to forum topic Cracked titanium gas tank 2018 crf 250f & 450f

12/19/2019 4:57pm

A stress relief treatment is sometimes employed following severe forming or welding to avoid cracking or distortion due to high residual stresses, or to improve fatigue resistance. ... Most titanium grades are typically stress-relieved at about 1000°F (538°C) for 45 minutes and annealed at 1300°F (704°C) for two hours.

This forum topic has 33 replies.