1981 Honda H100 Fuel Tank



LewieBike

Active Member
Joined
May 21, 2014
Messages
454
I'd assume that everything on that tank unscrews. How bad is the rust? You don't necessarily need to do a tank liner if it's just light surface rust.

I'm derusting the tank on my motorcycle that I rode as a teenager. The tank is just lightly scaled with rust on the inside. You realize that the oil tank part is completely sealed off from the gas tank part? The oil tank partition will also need to be degreased for the derusting to work effectively. Here is an article about de-rusting old bike fuel tanks...https://www.mopedarmy.com/wiki/Removing_rust_from_a_gas_tank
 
Joined
Jan 3, 2019
Messages
34
I'd assume that everything on that tank unscrews. How bad is the rust? You don't necessarily need to do a tank liner if it's just light surface rust.

I'm derusting the tank on my motorcycle that I rode as a teenager. The tank is just lightly scaled with rust on the inside. You realize that the oil tank part is completely sealed off from the gas tank part? The oil tank partition will also need to be degreased for the derusting to work effectively. Here is an article about de-rusting old bike fuel tanks...https://www.mopedarmy.com/wiki/Removing_rust_from_a_gas_tank
The tank definitely needs the love, I’d just feel stupid if I did all the body work and paintwork and had it be all rusty inside
 
Joined
Jan 3, 2019
Messages
34
I'd assume that everything on that tank unscrews. How bad is the rust? You don't necessarily need to do a tank liner if it's just light surface rust.

I'm derusting the tank on my motorcycle that I rode as a teenager. The tank is just lightly scaled with rust on the inside. You realize that the oil tank part is completely sealed off from the gas tank part? The oil tank partition will also need to be degreased for the derusting to work effectively. Here is an article about de-rusting old bike fuel tanks...https://www.mopedarmy.com/wiki/Removing_rust_from_a_gas_tank
Also thanks you ✌ I’ll check out the link
 

LewieBike

Active Member
Joined
May 21, 2014
Messages
454
Judging by your photo of the tank with the oil level gauge out: The oil part of this tank looks pretty unrusted. I would leave that section alone. I would have expected it to be clean as most oil injection tanks on older 2 cycle motorcycles are made of steel and don't tend to rust because the oil 'seals' the raw steel insides against moisture and corrosion.
 
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