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I would like to start using bio diesel in my early 90's B7100. Is anyone else running Bio in there machines? effects good or bad? <br>
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I'm most concerned with the rubber fuel lines, I understand biodiesel can remove the oils from natural rubber causing leaks. Does anyone know if the early 90's B series used viton or natural rubber for fuel lines and seals?<br>
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Thanks in advance.

Bio Diesel in a Kubota B7100
Parts and Repair
Replies 2 Post by Gryantaylor

Prehaps I should rephrase. I've driven a number of tractors including 4 or 5 HTS's but I'm not the familiar with the lingo. You are correct I don't have "gears." Learning from the posts above the SWS shaft is sticking which causes the tractor to keep moving either foward or backword depending on which direction I pressed the peddle until I manually re center the peddle. All the other HTS's I've dirven will stop when you let off the peddle in short order (you are correct its not instant)

Last night I washed and greased the linkage, that seems to have helped quite a bit. It also appears there is a spring that that can be adjusted but mine is already adjusted as far as it goes.

Does any one know what "usually" causes this problem and what part(s) need to be adjusted. Do I need a new spring, damper, connecting rods etc.?

Thanks for your help, sorry if my question wasn't clear from the start.

HST stick
Kubota Tractors
Replies 6 Post by Gryantaylor