236
BK4513
BK4512
BK4515
BK4516
BK4517
BK4518
BK4519
BK4521
BK4514
Accessories: Service Kits
You should service your winches at least once during the preseason. 
However, twice a season is best if your boat lives in salt water. If you race 
your boat hard, you may want to maintain your winches before every 
regatta. Keep your winches clean and operating smoothly by flushing 
frequently with fresh water. Check pawls and springs, bearings, gears, 
and spindles for signs of wear and corrosion.
For more details, consult the maintenance manual.
Installation manuals and parts lists are available 
online at www.harken.com.
WINCH
Q&A
WHICH PARTS DO I GREASE 
AND WHICH DO I OIL ON MY 
HARKEN WINCHES? 
Grease all metal gears and roller 
bearings with Harken Winch Grease. 
It’s highly resistant to salt and fresh 
water, works in all temperatures, and 
protects against corrosion. NEVER 
grease pawls or springs because 
grease causes them to stick. 
Instead, lubricate with Harken 
Pawl Oil for optimal rotation. Radial 
winches and carbon winches have 
composite roller bearings that do 
not need to be lubricated.
Radial winch
Classic winch
*Custom and racing winch service kits might not include all the pawls needed. Please contact Harken.
Part No. Description
Includes
Fits winches
Radial
Performa
Classic
Custom/
Racing*
 BK4512  Winch service kit 
 10 pawls, 20 springs 
 
 2-speed: 15 - 70.2, 
Rewind, UniPower 
 20 
 B6 - B980 
 1000.3 
 BK4513  Winch grease 
 100 ml tube 
 
 
 
 
 
 BK4514  Winch service case 
 10 pawls, 20 springs, pawl oil, winch grease, 
handle repair kit, stickers 
 
 2-speed: 15 - 70.2, 
Rewind, UniPower 
 20 
 B6 - B980 
 1000.3 
 BK4515  Racing winch service kit/10 mm 
 10 17-4 PH pawls, 20 springs 
 
 80 
 80 
 
 880 - 1150 
 BK4516  Racing winch service kit/8 mm 
 10 17-4 PH pawls, 20 springs 
 
 60.3, 70.3 
 35 - 70, Quattro 
 
 50 - 650, Air® 
winches 
 BK4517  Lock-in handle repair kit 
 Lock-in knob, spring pin, lock-in spring, isolator, lock-in plate 
 All handles 
 BK4518  Winch drum screw kit 
 8 screws 8 mm x 20 mm, 8 plastic washers 
 
 
 
 B48 - B980 
 
 BK4519  Winch drum screw kit 
 8 screws 8 mm x 20 mm, 8 plastic washers 
 
 
 
 B16 - B46 
 
 BK4521  Pawl oil for pawls and springs 
 
 
 
 
 
 

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