TBolt USA, Since 2004 • contact@tboltusa.com • Text 704-826-5887 • Request a Call Back
  1. Japanese Mini Bike Parts
  2. KLX 140
  3. KLX140 Engine and Carb
  4. 411-KLX-1801

BBR - 170cc Big Bore Kit for KLX140

Vital Information
Price$269.95
On Sale $189.95
Part No 411-KLX-1801
Location305D
Stock Level 2 Left
1

Note: 2025 - Present  KLX140 Engines – require case boring to fit.
Our cylinder skirt is 65.95mm 2025+ cases are only 65.4mm wide.

Key Features:

  • High quality bore kit that shows substantial power gains throughout the RPM range
  • 63mm piston
  • 10.5:1 compression ratio allows use of premium pump gas
Kit Includes:

  • Cylinder
  • Piston and rings set
  • Wrist pin and circlips
  • Top end gaskets

Application:

  • Kawasaki KLX140 - 2008-2024

Spec

  • Skirt O.D. 65mm
  • Skirt Height 26.7mm


 
  Write Review

Since 2004, every purchase from TBolt USA includes access to technical support from our staff of experts and our online Pit Bike Technical Info Database!

We have all necessary support parts on hand.

Most orders ship same, or next business day, unless otherwise noted above.

 
Check these out too
TBparts - 170cc Big Bore Kit for KLX1400
TBW9204
TBparts - 170cc Big Bore Kit for KLX140
8 IN STOCK$189.99
CHOOSE OPTIONS
TBparts - 63mm Forged Piston for KLX1400
TBW1702
TBparts - 63mm Forged Piston for KLX140
1 IN STOCK · 219B$104.99
TBparts - 170cc Big Bore Kit with Cam and VM26 Carb Kit for KLX1400
TBW9207
TBparts - 170cc Big Bore Kit with Cam and VM26 Carb Kit for KLX140
3 IN STOCK$462.99
CHOOSE OPTIONS
TBPARTS - 63mm Cylinder for KLX140 with 170cc Bore Kit0
TBW1545
TBPARTS - 63mm Cylinder for KLX140 with 170cc Bore Kit
1 IN STOCK · 220E$139.99
TBparts - Gasket and Seal Kit for KLX1400
TBW1666
TBparts - Gasket and Seal Kit for KLX140
2 IN STOCK · 236F$39.99
TBPARTS - 63MM Piston for KLX140 with 170cc Bore Kit0
TBW1543
TBPARTS - 63MM Piston for KLX140 with 170cc Bore Kit
1 IN STOCK · 219A$76.99
TBparts - Heavy Duty 5 Plate Kevlar Clutch and Oil Change Kit for KLX1400
TRC-3553
TBparts - Heavy Duty 5 Plate Kevlar Clutch and Oil Change Kit for KLX140
5 IN STOCK$65.99
TBparts - 170cc Big Bore and VM26 Carb Kit KLX1400
TBW9206
TBparts - 170cc Big Bore and VM26 Carb Kit KLX140
8 IN STOCK$397.99
CHOOSE OPTIONS
14T Front Sprocket for KLX1400
W-55-150114
14T Front Sprocket for KLX140
2 IN STOCK · 319W$19.95
EBC - KLX140 Clutch Kit0
W-15-18211
EBC - KLX140 Clutch Kit
1 IN STOCK · 318E$64.19
52T Rear Sprocket for KLX1400
W-55-46252|bkm965048
52T Rear Sprocket for KLX140
6 IN STOCK · 134C$36.99
All Balls - Rear Master Cylinder Rebuild Kit for KLX1400
W-21-81007
All Balls - Rear Master Cylinder Rebuild Kit for KLX140
2 IN STOCK · 135H$28.51
Customers who bought this product also purchased
BBR - High Performance Camshaft for KLX1400
411-KLX-1820
BBR - High Performance Camshaft for KLX140
1 IN STOCK · 307G$178.95
TBParts - Heavy Duty 5 Plate Kevlar Clutch & HD Springs KLX1400
TBW1597
TBParts - Heavy Duty 5 Plate Kevlar Clutch & HD Springs KLX140
3 IN STOCK · 236E$37.99
Vertex - Exhaust Gasket for KLX140, TT-R125, XR100, CRF100, CRF150R0
W-682-3053
Vertex - Exhaust Gasket for KLX140, TT-R125, XR100, CRF100, CRF150R
2 IN STOCK · 236E$8.30
BBR - HD Fork Springs for KLX140G0
650-KLX-1505
BBR - HD Fork Springs for KLX140G
2 IN STOCK · 306B$109.95
13T Front Sprocket for KLX1400
W-55-150113|1212-0751
13T Front Sprocket for KLX140
4 IN STOCK · 319W$19.95
Vertex - Clutch Cover Gasket for KLX1400
W-69-18082
Vertex - Clutch Cover Gasket for KLX140
2 IN STOCK · 236E$21.20
TBPARTS - Gasket Set 63MM for KLX140 with 170cc Bore Kit0
TBW1544
TBPARTS - Gasket Set 63MM for KLX140 with 170cc Bore Kit
2 IN STOCK · 219I$19.99
Firepower - Aluminum Shift Lever in Silver for KLX1400
W-57-10546-D
Firepower - Aluminum Shift Lever in Silver for KLX140
6 IN STOCK · 234G$43.95
Categories
Information
2026 Pit bike Race and Ride Days in NJ and PA!

Shipping Policies
Warranty Claims
Returns, Exchanges and Cancellations

Privacy Policy
Order OEM Parts
SSR OEM Warranty
Piranha Warranty & Returns Policy
Other Pit Bike Brands
Motoped Engines
TBparts
SSR Kelley Blue Book
Curb Side Pick Up
Credit Card Security

Support Ticket System
Contact Us

SSL Secured Checkout with Visa, MC, AmEx, or Disc