Categories: EVOLUTION POWERSPORTS

EVOLUTION POWERSPORTS 953RU0149 Exhaust 02 Bung Instruction Manual

EVOLUTION POWERSPORTS 953RU0149 Exhaust 02 Bung

INCLUDED PARTS

  • (1) 02 Bung
  • (1) Block Off Bolt

REQUIRED TOOLS

Drill and 3/4″ Drill Bit
Tig Welder
Center Punch
Wire Brush
Grinder
19,22mm Open End Wrench
Abrasive Pads
High Temp Anti-Seize

NOTE: Always mount the 02 bung after the OEM 02 sensor, but before the muffler. Always mount the 02 bung from 10 O’clock to 2 O’clock (top side) of the exhaust pipe. This will keep your 02 sensor from catching condensation and foreign debris.

INSTALLATION INSTRUCTION

  • Step 1: Locate a good mounting spot for the 02 bung, sometimes this is easier to do with the exhaust mounted on the car. Try to keep it behind the OEM 02 sensor and in a 10-2 O’clock orientation (top side) of the exhaust. Sometimes the heat shield will need to be trimmed so this will give you a better configuration where you want the 02 bung located.
  • Step 2: Pull the exhaust off and bring it to a clean work bench.
  • Step 3: With an abrasive pad, clean the location to where the 02 bung will be placed.
  • Step 4: Measure out a 3/4″ (0.7500”) circle with a sharpie. As you can see in figure 1, the ID of the bung is 0.6500” so making the circle 0.7500” will ensure your 02 sensor won’t touch the exhaust pipe.
  • Step 5: Take a hole punch and punch an indent into the middle of the circle (0.375”) you drew with a sharpie. (Figure 3)
  • Step 6: Cut the hole out, with a Unibit (step drill) or a 3/4″ bit. Do NOT cut more than 3/4″. Make sure you cut directly straight down.
  • Step 7: Once the hole is complete, clean the top surface from debris and metal shards. You may need to use an abrasive pad. Blow out the inside of the exhaust with compressed air.
    (Figure 4).
  • Step 8: Center the 02 bung over the 3/4″ hole.
  • Step 9: Tack weld (2) spots, cover the top of the bung with a plug or piece of wood to keep splatter out of the threads. Run a bead around the entire 02 bung. Make sure it has no leaks.
  • Step10: Reconnect the exhaust to the machine, trim the heat shield if need be.
  • Step 11: Whether you are placing the block-plug or a 02 sensor into the bung, put anti-seize on the threads. Block off bolt is a 19mm, the 02 sensor is a 22mm. (Figure 5).

Thank you for choosing Evolution Powersports products. If you require further assistance, please call our Tech Support @ (715) 247-3862
Note: This product is exempt from the emission standards and related requirements of 40 C.F.R. § 1051 as provided by 40 C.F.R. § 1051.620, and California law [e.g., vehicle code§§ 27156 and 38391]. This product is sold only for use in connection with EPA certified, purpose-built, nonroad vehicles used solely for closed course, nonroad competition/racing and not used for any recreational purpose or on public highways or right of ways maintained by and open to the public. This product is sold only in connection with machines that do not fall under state and/or federal noise or emission standards/regulations. Purchasers who/that purchase this product represent and warrant that the product is purchased only in connection with EPA -certified, emission-regulations-exempt and noise-regulations-exempt competition/racing vehicles as interpreted under applicable state and/or federal law. Questions: Call Evolution Powersports at (715) 247-3862.

Documents / Resources

EVOLUTION POWERSPORTS 953RU0149 Exhaust 02 Bung [pdf] Instruction Manual
953RU0149 Exhaust 02 Bung, 953RU0149, Exhaust 02 Bung

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