24T004 – Improperly Cured Tire Tread May Detach from Tire – Tusk 2Track Adventure Motorcycle Tires

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24T-004
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Rocky Mountain ATV/MC, Inc. APR 23, 2024 NHTSA Recall No. : 24T-004 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Rocky Mountain ATV/MC, Inc.
Address : 1551 American Way
Payson UT 84651 Company phone : 8014653140
Population :
Number of potentially involved : 900 Estimated percentage with defect : 100 %
Tire Information :
Tire Brand 1 : Tusk Tire Line : 2Track Adventure Tire Rear Tire Size : 150/70B-18
Descriptive Information : Approximately 900 rear motorcycle replacement tires may not have been manufactured in accordance with specifications. The population was determined through production and shipping records.
Production Dates : OCT 23, 2023 – JAN 14, 2024
TIN (Tire Identification Number)
Plant ID Size code Optional Code Begin M Code End M Code 038 MFFTR2 NR 4323 0224 Description of Defect :
Description of the Defect : RMATV has determined that on certain Tianjin Wanda Tyre Group Co., Ltd manufactured 2Track Adventure Tires, the tread knobs could experience chunking and potentially separate from the carcass over time.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If a tire did not cure for sufficient time during the manufacturer’s
vulcanization process, it could lead to chunking of the tread knobs during use. In that event, the handling or steering characteristics of the motorcycle could be affected. This could increase the risk of a crash.
Description of the Cause : Due to a deviation in the manufacturing process, the tread of certain tires might not have been provided sufficient time to cure to the carcass during vulcanization. Identification of Any Warning
that can Occur : Visual inspection by a driver or other observer would reveal tread knob ng. Part 573 Safety Recall Report 24T-004 Page 2 Involved Components : Component Name : 2Track Adventure Tire Component Description : 2Track Adventure Tire Rear Component Part Number : 2137740001 Supplier Identification : Component Manufacturer
Name : Tianjin Wanda Tyre Group Co., Ltd Address : Eastside to Jingtang Highway
Yixingbu Town, Beichen District Tianjin Foreign States 300402
Country : China Chronology :
On April 3, 2024 RMATV was notified by its supplier that certain tires sold to RMATV may have deviated from design specifications in a manner that could pose a risk of tire chunking. The supplier advised that while quality control testing of the production lot sold to RMATV had detected no manufacturing flaw, similar testing of a later lot identified a potential deviation in the vulcanizing process.
RMATV immediately stopped selling the identified model and initiated an investigation in coordination with its supplier to determine the cause and potential consequences of this reported issue.
RMATV has now determined that a potential safety risk due to insufficient curing time cannot be ruled out and decided to conduct a recall.
RMATV is aware of no reports of crashes, property damage, fatalities, or injury related to this defect. Description of Remedy :
Description of Remedy Program : The remedy program is under development, in consultation with NHTSA.
RMATV anticipates that it will finalize its remedy plan soon, and interim notification letters will not be necessary. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : NR An increase in the curing time during the vulcanizing process during production ensures that this issue will not occur after January 14, 2024 The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24T-004
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The information contained in this report was submitted pursuant to 49 CFR §573
Recall Schedule :
Description of Recall Schedule : Wholesale customers will be notified of pending voluntary recall
campaign within the next 2-3 weeks. A copy of the wholesale customer notification letter will be provided to NHTSA when available. Individual retail purchasers will be notified of the voluntary recall campaign on or before May 15, 2024.
Planned Dealer Notification Date : NR – NR Planned Owner Notification Date : NR – NR Purchaser Information :
The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment:
Name : NR Address : NR
NR Country : NR Company Phone : NR
* NR – Not Reported

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OMB Control No.: 2127-0004
Part 573 Safety Recall Report 24T-004
The information contained in this report was submitted pursuant to 49 CFR §573
Manufacturer Name : Submission Date :
Rocky Mountain ATV/MC, Inc. MAY 01, 2024 NHTSA Recall No. : 24T-004 Manufacturer Recall No. : NR Manufacturer Information :
Manufacturer Name : Rocky Mountain ATV/MC, Inc.
Address : 1551 American Way
Payson UT 84651 Company phone : 8014653140
Population :
Number of potentially involved : 900 Estimated percentage with defect : 100 %
Tire Information :
Tire Brand 1 : Tusk Tire Line : 2Track Adventure Tire Rear Tire Size : 150/70B-18
Descriptive Information : Approximately 900 rear motorcycle replacement tires may not have been manufactured in accordance with specifications. The population was determined through production and shipping records.
Production Dates : OCT 23, 2023 – JAN 14, 2024
TIN (Tire Identification Number)
Plant ID Size code Optional Code Begin M Code End M Code 038 MFFTR2 NR 4323 0224 Description of Defect :
Description of the Defect : RMATV has determined that on certain Tianjin Wanda Tyre Group Co., Ltd manufactured 2Track Adventure Tires, the tread knobs could experience chunking and potentially separate from the carcass over time.
FMVSS 1 : NR FMVSS 2 : NR
Description of the Safety Risk : If a tire did not cure for sufficient time during the manufacturer’s
vulcanization process, it could lead to chunking of the tread knobs during use. In that event, the handling or steering characteristics of the motorcycle could be affected. This could increase the risk of a crash.
Description of the Cause : Due to a deviation in the manufacturing process, the tread of certain tires might not have been provided sufficient time to cure to the carcass during vulcanization. Identification of Any Warning
that can Occur : Visual inspection by a driver or other observer would reveal tread knob ng. Part 573 Safety Recall Report 24T-004 Page 2 Involved Components : Component Name : 2Track Adventure Tire Component Description : 2Track Adventure Tire Rear Component Part Number : 2137740001 Supplier Identification : Component Manufacturer
Name : Tianjin Wanda Tyre Group Co., Ltd Address : Eastside to Jingtang Highway
Yixingbu Town, Beichen District Tianjin Foreign States 300402
Country : China Chronology :
On April 3, 2024 RMATV was notified by its supplier that certain tires sold to RMATV may have deviated from design specifications in a manner that could pose a risk of tire chunking. The supplier advised that while quality control testing of the production lot sold to RMATV had detected no manufacturing flaw, similar testing of a later lot identified a potential deviation in the vulcanizing process.
RMATV immediately stopped selling the identified model and initiated an investigation in coordination with its supplier to determine the cause and potential consequences of this reported issue.
RMATV has now determined that a potential safety risk due to insufficient curing time cannot be ruled out and decided to conduct a recall.
RMATV is aware of no reports of crashes, property damage, fatalities, or injury related to this defect. The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24T-004 Page 3 Description of Remedy :
Description of Remedy Program : Rocky Mountain ATV/MC (RMATV) will send owners a notification letter
within the next 30 days, targeting May 15, 2024. The notification letter will request that the customer confirm their mailing address to the Company by email ([email protected]), or by toll-free phone number established for this recall (800-966-1852), or through an online form that is available at (https://www.rockymountainatvma.com/2track-recall).
Once the customer confirms their mailing address, RMATV will send a replacement tire free of charge, along with a pre-paid debit card to be used to pay installation costs, including removal and disposal of the of the defective tire as well as mounting and balancing the replacement tire. If a customer’s installation and disposal costs exceed the amount provided on the pre-paid debit card, the customer may send a copy (scan or photo) of the repair invoice to ([email protected]). Upon receipt of that documentation, RMATV will reimburse the customer for a reasonable amount by which the costs of that services exceeded the value of the provided pre-paid debit card.
For customers who have had their tires replaced to address this defect prior to this recall campaign, RMATV will reimburse the customer for the reasonable documented costs of the replacement, including any installation and disposal charges. As part of the owner notification letter, RMATV will request that such customers send RMATV a copy of their receipt or other adequate proof of payment to the replacement, mounting, or disposal company for confirmation of the expense. How Remedy Component Differs from Recalled Component :
Identify How/When Recall Condition was Corrected in Production : An increase in the curing time during the vulcanization process, eliminates the potential for chunking in the remedy component.
An increase in the curing time during the vulcanizing process during production ensures that this issue will not occur after January 14, 2024 Recall Schedule :
Description of Recall Schedule : Dealers will be notified of voluntary recall campaign within the next 2-3
weeks. A copy of the dealer notification letter will be provided to NHTSA when available. Individual retail purchasers will be notified of the voluntary recall campaign on or before May 15, 2024. A copy of the customer notification letter will be provided to NHTSA at least 5 days before scheduled mailing.
Planned Dealer Notification Date : MAY 10, 2024 – NR Planned Owner Notification Date : MAY 15, 2024 – NR Purchaser Information :
The following manufacturers purchased this defective/noncompliant equipment for possible use or installation in new motor vehicles or new items of motor vehicle equipment: The information contained in this report was submitted pursuant to 49 CFR §573 Part 573 Safety Recall Report 24T-004
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The information contained in this report was submitted pursuant to 49 CFR §573
Name : NR Address : NR
NR Country : NR Company Phone : NR
* NR – Not Reported

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