www.tigercubandterrier.com
  • Welcome
  • Introduction
  • The Story begins...
  • An Interview with Mr Turner
  • Model information
    • Terrier T15
    • Tiger Cub T20 >
      • 1954/55
      • 1956
      • 1957
      • 1958
      • 1959
      • 1960
      • 1961/62
      • 1963-on
    • Competition Cub T20C
    • Sports Cub T20S
    • Woods Cub T20W
    • Sports Lights Cub T20SL
    • Trials Cub T20T
    • Street Scrambler T20SS
    • Scrambler T20SR/T20SC
    • Trials & Scrambler TR20/TS20
    • Sports Home Cub T20SH
    • Mountain Cub T20SM/T20M
    • War Department (T20WD/T20M WD
    • Bantam Cub T20B
    • T20B Super Cub
  • Buyer's Guide
  • Resources
  • Technical
    • Machine Numbers
    • Gear Clusters
    • Front Forks
    • Front Fork Oil Change
    • Condensers
    • Finding T.D.C.
    • External Oil Filter
    • Lucas Energy Transfer
    • 12V Conversion
    • Fitting Indicators to a Tiger Cub
    • Fitting a Craven Luggage Rack
  • Your Stories
    • My Wee Cub
    • Denny's Terrier
    • A T20C Story
    • TR20 Cub Sorted
    • Saving Sylvia
    • My 1959 Tiger Cub
    • My First Restoration
    • Found in a Scrap Yard
    • My First Bike
    • Brand new out of the Box
    • On the Road after 40 years
    • First bike I ever Rode
    • The' Tarbuk' Conversion
    • A Tiger Cub in a Box
    • Aunt Tiny
    • Well-travelled Terrier
    • Mashooq's Tiger Cub
    • 48 Years with my Cub
    • Ready for the Arbuthnot
    • My Collection of Cubs
    • Mountain Cub and Cafe tales
    • My favourite Cub of all
    • A Cub in Norway
    • Beginning of a Terrier Restoration
    • An Ambush of Cubs
    • A T20C Cub (probably!)
    • A Moment Frozen in Time
  • Machines in Competition
    • Bonneville Speed Record
    • ISDT Success
    • Success in the Scottish
  • Welcome
  • Introduction
  • The Story begins...
  • An Interview with Mr Turner
  • Model information
    • Terrier T15
    • Tiger Cub T20 >
      • 1954/55
      • 1956
      • 1957
      • 1958
      • 1959
      • 1960
      • 1961/62
      • 1963-on
    • Competition Cub T20C
    • Sports Cub T20S
    • Woods Cub T20W
    • Sports Lights Cub T20SL
    • Trials Cub T20T
    • Street Scrambler T20SS
    • Scrambler T20SR/T20SC
    • Trials & Scrambler TR20/TS20
    • Sports Home Cub T20SH
    • Mountain Cub T20SM/T20M
    • War Department (T20WD/T20M WD
    • Bantam Cub T20B
    • T20B Super Cub
  • Buyer's Guide
  • Resources
  • Technical
    • Machine Numbers
    • Gear Clusters
    • Front Forks
    • Front Fork Oil Change
    • Condensers
    • Finding T.D.C.
    • External Oil Filter
    • Lucas Energy Transfer
    • 12V Conversion
    • Fitting Indicators to a Tiger Cub
    • Fitting a Craven Luggage Rack
  • Your Stories
    • My Wee Cub
    • Denny's Terrier
    • A T20C Story
    • TR20 Cub Sorted
    • Saving Sylvia
    • My 1959 Tiger Cub
    • My First Restoration
    • Found in a Scrap Yard
    • My First Bike
    • Brand new out of the Box
    • On the Road after 40 years
    • First bike I ever Rode
    • The' Tarbuk' Conversion
    • A Tiger Cub in a Box
    • Aunt Tiny
    • Well-travelled Terrier
    • Mashooq's Tiger Cub
    • 48 Years with my Cub
    • Ready for the Arbuthnot
    • My Collection of Cubs
    • Mountain Cub and Cafe tales
    • My favourite Cub of all
    • A Cub in Norway
    • Beginning of a Terrier Restoration
    • An Ambush of Cubs
    • A T20C Cub (probably!)
    • A Moment Frozen in Time
  • Machines in Competition
    • Bonneville Speed Record
    • ISDT Success
    • Success in the Scottish
www.tigercubandterrier.com
Front fork oil change notes
​by Roy Shilling
​
​To change the fork oil on lightweight forks the drain plug is also the 'boomerang' mudguard stay bolt/stud into the bottom side of the slider.

Take the nut off the outside and remove the stay, then remove the stud to drain the oil out.
​
​Discard the fibre washer - replace with a new one.

​Undo the top nut, (on T20 Nacelle equipped bikes, there is a filler hole in the stanchion behind the headlight) one side at a time if you don't want to take the wheel out and gently work the suspension up and down to push out the oil.

I say 
gently because if you don't, any oil in there will be forced out like a jet......
Picture
​​Once all the oil is expelled, put the drain stud back in temporarily and put some brake cleaning solvent into the stanchion from the top. Re fit the top nut and work the suspension up and down a few times to 'swill' the fork leg and dislodge and crud, and there will be some!
 
Remove the drain stud and allow to drain taking the top nut off and working up and down gently to expel all the contents.
 
Once complete and the solvent has evaporated, refit the drain stud and a new fibre washer - Do not over tighten.
 
Put in 75cc (1/8 pint) of SAE30 oil and refit the top nut, boomerang stay and that's the first side done. Repeat for second leg.

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