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Grom, Honda – Two Brothers Racing Honda Grom User Manual

Page 2

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Qty. Description

Part Number

1

Muffler Canister S1R

Varies

1

Slip Tube

005-37401S

1

Honda Grom Header

005-37401H

2

45mm Extension Spring

005-S45

1

8x75mm Socket Head Cap Screw

005-SH875

1

50mm Aluminum Spacer

005-S-50

1

8mm Flange Nut

005-FN8

1

Anti-Seize

031-P09105

Care & Cleaning / Warranty

Care & Cleaning

Keep system free of dirt and moisture. Store in a cool, dry place. For cleaning use a mild spray cleaner. Always apply cleaner or polish with a soft, clean cloth.

Stainless Header System: Polished stainless steel pipes will turn a light golden hue after a few heat cycles, this is a normal characteristic of high quality

stainless steel.

Carbon Fiber Mufflers: Always make sure the fiberglass packing inside is in good condition and not burned out, as exhaust heat inside an empty canister will

deteriorate the Carbon Fiber sleeve. TBR sells repack kits (TBR part # 005-10038) that include new rivets and repack material as well as a drill bit (#30), making

it easy to do yourself. Also, NEVER dyno test your bike with carbon fiber mufflers installed - the intense heat and lack of cooling air can quickly cause the CF

material to burn. Two Brothers Racing does not provide a warranty for burned carbon fiber.

Aluminum Mufflers: Use an aluminum or mag wheel polish such as Mother’s to restore the bright finish to

factory spec.

Installation Instructions

Honda

GROM

Stainless Steel Full System with S1R Canister
Part # 005-3740105-S1

12. Install supplied 8x75mm socket head cap bolt, spacer, and nut

to mount muffler.

13. Double check to make sure that all hardware is tightened.

14. Before you run the bike, clean off all fingerprints and dirt, as

any oily residue will etch the metal and become somewhat

permanent when the system gets hot. Run the bike and enjoy.

It is normal for some white smoke to appear the first time you

start the bike. This is packing/manufacturing oil from inside the

pipe burning off. Check for gaps or leaks. If you find a leak, a

little high temperature silicon sealant should fix it. After 50 to

100 miles, recheck all fasteners for tightness.