How to Remove Rust From a Motorcycle Gas Tank

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One of many advantages of being to capable of work on bikes is you can typically discover them fairly low cost when work on them is required. Sometimes, a motorcycle that wants work has been sitting for some time, often with the tank empty. This implies over time that rust has taken over, as was the case with a 1981 Honda CB650 that I had acquired. To say that this factor had rust in it was an understatement; it had chunks of rust. Fortunately although, the tank had no pin gap leaks or something and was fully strong. Now to the enjoyable half! I’ll clarify the method of eradicating rust from a motorbike gasoline tank. As I acknowledged, this was carried out on a 81′ CB650, so it is tailor-made to that, however I am certain it will work on most different bikes.

What you will want:

Acetone
Distilled water (it is vital that you just solely use distilled water)
Two stroke oil
A size of chain 4 to six toes lengthy
Rags
One thing to plug the gasoline outlet (I used a small piece of hose a small rag and a chunk of black tape)

IMPORTANT NOTE: ACETONE AND RUBBER DO NOT MIX! If you happen to use rubber to seal the gasoline output change it each time you drain the acetone combine because the acetone will eat away at it.

At this level I’ll assume that you’ve the gasoline tank off the bike and that it is empty. Here’s a step-by-step.

Plug the gasoline output and ensure it’s sealed
Fill the tank about ½ filled with acetone and let it sit turning sometimes
Wait in a single day
Shake the tank and empty the acetone/rust combination right into a bucket
Fill the tank ½ means once more with acetone and this time drop the chain in
Shake the tank typically and vigorously. The chain will knock remaining rust off
Empty the acetone/rust combination into the bucket
Fill the tank up with distilled water and empty it out. Do that till solely pretty clear water comes out and no rust could be heard rattling round. I put a hairdryer within the gasoline gap and dried it out instantly after
Fill the tank about ¼ with two stroke oil and shake it round then empty it
Please eliminate the acetone and different nasty chemical substances correctly

I extremely recommend putting in an inline gasoline filter on the gasoline line in between the tank and carburetor. It’s going to filter out any small particles and hold them out of the gasoline system. This technique labored for me, my CB650 ran like a dream after cleansing the tank like this! The subsequent step is to offer the carb a superb cleansing.

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