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builtduramax36

Help with WR400 yz tank/weight reduction for light rider

7 posts in this topic

I have a '99 WR 400 i use for mostly trail riding and hit the track every other ride. Im 6'0" 170 pound rider. Ive been searching all about the yz tank conversion but cant seem to find all the info. Does anyone know what all it takes to convert to a yz tank and seat set up?Probably going to buy a yz tank and seat off ebay. 

 

My second question is does anyone have trouble with running out of fuel? I ride about 70 miles of hard riding each time we go. Start about noon and ride till dark. 

 

Lastly, does anyone have a write up on how to delete the coolant tank under the left plate? I dont see a need for it since the YZ's dont. 

 

Im looking to lose as much weight as possible in order to make this bike more user friendly. Right now its a hog through the trials and the track will wear you out throwing this bike around corners. Any help would be appreciated. Thanks

 

 

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you wont be able to do 70 miles without refueling. i got a YZ tank on mine. the longest ive went on a tank was 50 miles of mostly trails and i only had 0.2 gallons left when i hit the gas station.

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I am not close to running out of fuel now, I cannot tell exactly how much i use because it is not a natural color tank. Does anyone know the cheapest place to buy tanks? I might try out one to see how it will work if the price is right

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I am not close to running out of fuel now, I cannot tell exactly how much i use because it is not a natural color tank. Does anyone know the cheapest place to buy tanks? I might try out one to see how it will work if the price is right

i have a natural 2 gallon yz tank on my bike. how big is the stock one you have? id consider trading if its at least 2.5 gallons.

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To convert between the 2 versions you need the Tank/Seat/Shrouds.

Those together should just bolt on to equivalent year models.

 

Coolant tank isn't necessary. Just take it off and poke the tube down somewhere so if you do boil over it goes straight to ground and not onto you.

 

Note that there are some small tank versions of the wr400. Not sure if USA got both versions.

Australia had a "Big tank" and "Small tank version". 

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i have the YZ seat on mine. i think the American version is 3.2 gallons but im not sure.

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