1. Home
  2. Carburetors
  3. Tillotson
  4. HL-Series
  5. HL-Other
  6. Tillotson HL-166B 2-Cycle Comer 80 Gas Carburetor
Tillotson HL-166B 2-Cycle Comer 80 Gas Carburetor
HL-166B Tillotson Carburetor
Write a Review

Tillotson HL-166B 2-Cycle Comer 80 Gas Carburetor

Part Number: HL-166B
Online Price: $169.99
Tillotson HL-166B 2-Cycle Carburetor for Comer K80 & Jr. Cadet Karts
Availability: In Stock.

Send to:

*We'll ask for shipping info at checkout

Description

Tillotson HL-166B Carburetor – 2-Cycle Gas Carb for Comer 80cc & Kart Racing


Precision Performance for Comer 80 and Other 2-Cycle Engines

The Tillotson HL-166B Carburetor is a proven, high-quality option for 2-cycle gas engines, most notably the Comer 80cc kart racing engine. Originally designed for a Stihl chainsaw, this carburetor has been successfully repurposed for Jr. Cadet karting classes and fun karts powered by gasoline. Its diaphragm-style fuel system and integrated choke make it easy to start and tune, whether you're racing competitively or just having fun.


With a standard volume (single stack, gas) pump stack, the HL-166B is ideal for engines that demand responsiveness and reliability at high RPMs. Its compact, tunable design offers consistent fuel delivery in dynamic track conditions—an essential feature for younger drivers or practice sessions.


Technical Specifications:

  • Fuel Type: Gasoline (2-cycle engines)
  • Venturi Diameter: 0.6875"
  • Throttle Bore: 0.8125"
  • Flange Bolt Spacing: 1.8125"
  • Air Filter Bolt Spacing: 1.375"
  • Pump Stack: Standard Volume (Single Stack, Gas Configuration)
  • Includes: Manual choke for easier cold starts


Recommended EC Pro Kits:

  • Gaskets & Diaphragms Only:
    • EC P13-DG or P2-DG (check legality in your class)
  • Full Rebuild Kits:
    • EC P10-RK or P4-RK (if permitted by sanctioning body)


Applications:

  • Comer 80 Jr. Cadet Kart Racing Engines (USA)
  • Fun karts and practice karts using 2-cycle gas engines
  • Small 2-cycle motors compatible with HL-series carburetors


Why Choose the HL-166B?

  • Originally designed for rugged use, now tuned for racing and karting performance
  • Compatible with a variety of Comer and 2-stroke engines
  • Features a manual choke for easier starts—especially helpful for younger racers
  • Great option for both competitive and recreational karting


Important Notes:

  • Always verify your engine’s carb specs and racing class legality before purchase
  • This carb is not designed for methanol or alcohol fuel use
  • Regular maintenance with Pro Kits recommended for optimal performance

FAQ

Q1: What engines is the Tillotson HL-166B compatible with?

A: It is most commonly used with the Comer K80 2-cycle engine, popular in Jr. Cadet karting classes, and other compatible 2-stroke gas engines.


Q2: Can I use the HL-166B with methanol?

A: No, the HL-166B is designed for gasoline only. For methanol-fueled setups, a different carburetor or conversion is recommended.


Q3: Does this carburetor include a choke?

A: Yes. The HL-166B features a manual choke system, making cold starts easier—especially useful for younger or beginner racers.


Q4: Which rebuild kits are compatible with the HL-166B?

A:

  • For diaphragms and gaskets: P13-DG or P2-DG
  • For complete rebuilds: P10-RK or P4-RK
    Always check with your rulebook before installation.


Q5: Is this a good carb for beginner kart racers?

A: Yes, it’s commonly used in Jr. Cadet classes and fun karts. It’s reliable, tunable, and easy to start—ideal for young or new racers.

Related Items

TIllotson .375 Body Channel Welch Plug
$0.79
Out of Stock.

Recently Viewed Items

Logo