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363
BIG TWIN
12 Volt Dry Battery
Battery Warranty Information. The battery is unconditionally guaranteed up to 30 
days and pro-rated up to 90 days. No guarantee for cracked or physically damaged 
cases or terminals at any time. Damage caused in shipping must be reported to us 
and carrier 24 hours after receipt of shipping. All batteries shipped dry charged.
All Batteries are dry charged and do not include electrolyte. 
Electrolyte (battery acid) is available at Tractor Supply stores, 
nationwide.
Battery Hardware, bolt kit replaces 66000-
80 bolt, nut, and spacer for 1973-up FXE-
FXR.
VT No.  Item
37-8867
  Nut, Bolt, and Spacer, 5 pack
37-8933  Vent Clamp, 50 pack, 10067
32-0517  Vent Tube with Clamp
Big Boar Battery
Warranty and Adjustment Policy
This battery will be replaced without charge if found to be defective in materials or workman-
ship 6 months from date of over-the counter purchase. After 6 months but within 12 months 
of over-the counter purchase, the battery will be replaced and the purchaser charged only 
for the period of ownership based on the regular price at the time of return prorated over the 
number of months of warranty. This warranty is available through the dealer to the original 
retail customer and is not transferable and is voided by the use of rejuvenators, improper 
electrolyte, neglect or abuse.
Big Boar Batteries have high cold cranking amps, and a 
replacement warranty. The 53-0700 battery is a totally sealed, 
maintenance free battery measuring 6⁷⁄₈ long x 6¹⁄₁₆ high x 3⁵⁄₁₆ 
wide, and has been tested and proven on big inch and high 
compression motors.
VT 
No. 
OEM 
Fits 
   AMP
53-0700 65991-82  FX 1973-86, FXR 1982-94,  
350
 
 
Softail 1994
53-0701 65989-90A  Softail and Dynaglide 1991-up,   350
 
 
XL 1997-up 65989-97
53-0702  
“Mini” 6” L x 5¹⁄₈ H x 3¹⁄₄” W 
230
 
 
For custom application that have limited  
 
 
space. Starts larger engines but does not  
 
 
have a lot of reserve. Multi-positional.
53-0703  
Dresser/Road King® 1997-up  
1000
  
6¹⁄₅” L x 6³⁄₄” H x 5” W 
53-0700
53-0703
53-0517
53-0502
53-0702
53-0701
53-0518
53-0526
53-0525
53-0531
53-0505
53-0519
53-0527
53-0789
1973-91 FXE-FXR, 1984-90 FXST-FXWG measures 7” x 4” x 6
1
/”.
VT No.
OEM
#
Type
53-0502
65991-75C 12N16-4B
V-Twin, 16 amp
53-0554
65991-75B
V-Twin, 16 amp
53-0553
65991-82A
V-Twin, 16 amp
53-0517
65991-82
Yuasa, Yumicron
53-0518
65991-82
Yuasa CX 19 amp
1991-96 All FXST-FLST-FXD, 7” x 4” x 6
1
/”.
53-0519
65989-90A
YB16HL-ACX
Yuasa CX
53-0526
65989-90A
YTX20L-BS
Yuasa GRT
1980-96 All FLT.
53-0525
66010-82A
Y50-N18-ACX
Yuasa CX, 8” x 3
1
/₂” x 6
1
/₂”
1997-up FXST
53-0789
65989-97A
V-Twin
1997-up All FLT-FLHR
53-0556
66010-97A
V-Twin
Panhead custom application 4
1
/₁₆” x 3
19
/₃₂” x 4
1
/”.
53-0505
12N5.5A-3B
V-Twin
53-0527
12N5.5A-3B
Yuasa
53-0553
53-0556
37-8867
All Dry Charged
12 Volt Anti Gravity Battery. 480 cranking 
amps.
VT No.53-0075