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Fork Oil Recco?
Posted: Tue Mar 22, 2016 4:56 am
by aarron
What would be a good fork oil recommendation to run in my '67 TC250? This will be a low mile street cruiser. I'm about 210 lbs.
Thanks!

Re: Fork Oil Recco?
Posted: Thu Mar 24, 2016 5:08 am
by aarron
Wow, 44 looks and nobody has an idea as to what fork oil would be best for my bike? I did a search but really found nothing but threads on fork seals.
thanks
Re: Fork Oil Recco?
Posted: Thu Mar 24, 2016 6:45 am
by akendall1966
I guess not too many TC250 owners stopping by
I have similar era forks on my 70 T500 and I use 30wt oil which I understood to be the factory spec. I have read others use lighter oils or AT fluid. Damping is crude by modern standards, for street use not much benefit in using anything too fancy. MY 30wt oils came from a garden center sold as lawnmower engine oil.
Pick something (maybe not EP90 gear oil to start with

) see how it rides, adjust up or down to suit.
Re: Fork Oil Recco?
Posted: Thu Mar 24, 2016 12:49 pm
by Alan H
I use 20w50 engine oil as recommended by Crooks Suzuki many years ago, but if you want it a bit softer, use slightly thinner oil, always correct amount though.
Re: Fork Oil Recco?
Posted: Thu Mar 24, 2016 3:07 pm
by aarron
Thanks for the replies! Yeah, you're right there. Not many TC250's around for sure. I was more worried about damaging the old seals in place. I'll tear them down later and get new seals but just want to ride it a bit now.
Re: Fork Oil Recco?
Posted: Thu Mar 24, 2016 7:24 pm
by Vintageman