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Helena, Montana

Helena Dirt Bike Bill of Sale Requirements

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Reviewed against state DMV requirementsLast reviewed: April 20266 min readEditorial policy

Complete requirements checklist for a dirt bike bill of sale in Helena, Montana. Includes exact fees, notarization rules, and where to file at the County Treasurer – Helena.

Fees, notarization rules, and filing addresses on this page are reviewed against 49 CFR Part 580 — Odometer Disclosure Requirements and the County Treasurer – Helena. Source documents are cross-checked each quarter so Helena buyers and sellers always see the current Montana dirt bike bill of sale standard, not stale third-party summaries.

Title Transfer Fee

$12.00

Sales Tax Rate

No state sales tax

Notarization

Required

Required Fields — Helena Dirt Bike Bill of Sale

All of the following must appear on a valid dirt bike bill of sale in Helena, Montana:

  • Full legal name and current address of seller
  • Full legal name and current address of buyer
  • Agreed sale price (in numerals and words)
  • Date of sale
  • Dirt Bike year, make, model, and body style
  • 17-character VIN (Vehicle Identification Number)
  • Signature of seller (must be notarized)
  • Signature of buyer (must be notarized)

Notarization in Helena: Required

Montana requires both buyer and seller to sign the dirt bike bill of sale in front of a licensed notary public. Montana requires notarization of the bill of sale or title assignment for vehicle transfers. Visit a local notary public before submitting documents. Find a notary at a bank, credit union, UPS Store, or via online notarization (Proof, Notarize.com).

Montana Dirt Bike transfer fees and requirements

In Montana, the title transfer fee is $12 and registration costs Based on vehicle age; ranges from $28 to $217+. Dirt Bike sales are subject to No sales tax; registration fee based on age and value. Notarization is required for dirt bike bill of sale documents in Montana. Montana does not require emission testing for private-party dirt bike sales.

  • No state sales tax on vehicle purchases
  • Notarized title assignment required
  • County option fee may apply
  • Popular for LLC vehicle registration due to no sales tax

Montana sales tax on dirt bike purchases

Montana has a 0% state sales tax rate. No sales tax; registration fees based on vehicle age and value. Private-party dirt bike sales in Montana may be exempt from state sales tax. Montana has no state sales tax on any purchases. The title transfer fee is $12.

Dirt Bike market data and safety information

The most common dirt bike makes in private-party sales are Honda, Yamaha, Kawasaki, KTM, Suzuki. Average private-party dirt bike prices range from $1,500–$10,000. Dirt bikes average 1.5 NHTSA recalls per model across categories including Fuel System, Frame, Suspension.

Safety checkpoints for buying a used dirt bike

Before completing a dirt bike bill of sale in Montana, verify these safety items:

  • Inspect frame and subframe for cracks from jumps and crashes
  • Check fork seal condition and suspension linkage bearings
  • Verify engine compression and listen for bottom-end noise
  • Check sprocket and chain wear — high-wear items on dirt bikes
  • Confirm spark arrestor is present and unmodified (USFS land requirement)
  • Test kill switch function and bar-mounted controls
  • Inspect handlebar bend and crash-bar/skid-plate damage
  • Verify sound output meets state OHV decibel limits (typically 96dB)

Dirt Bike insurance and depreciation in Montana

Off-road-only dirt bikes may not require insurance. Street-legal dual-sport conversions require motorcycle insurance. Dirt bikes hold value well in the enthusiast market — 25–35% loss over 3 years. Japanese four-strokes retain the most. Peak season for private dirt bike sales is spring for motocross, fall for trail riding, with an average of 20 days on market.

Dirt Bike registration and titling

Dirt Bikes are classified as "Off-highway motorcycle (OHV) — not street legal without conversion in most states" for registration purposes. Dirt bikes typically weigh 200–280 lbs. No weight-class registration; classified by engine displacement. Federal odometer disclosure does not apply to dirt bikes.

Dirt Bike title transfer rules

Dirt bike transfers depend on whether the bike is street-legal (dual-sport) or off-highway only. Off-highway dirt bikes may not have a standard title in some states. Dual-sport models with DOT-approved tires and lighting follow motorcycle transfer rules. Street-legal dual-sport dirt bikes receive standard motorcycle titles. Off-highway-only models may receive an OHV title, a bill of sale only, or an MSO (Manufacturer Statement of Origin) depending on the state.

Odometer disclosure for dirt bike sales

Off-highway dirt bikes are exempt from federal odometer disclosure. Dual-sport (street-legal) dirt bikes under 20 years old require odometer disclosure like any motorcycle.

Required disclosures for dirt bike sales in Montana

When selling a dirt bike in Montana, the following disclosures apply:

  • Street-legal vs. off-highway-only status determines title type and registration requirements.
  • Competition-only models may not be eligible for any title or registration.
  • Engine displacement and exhaust noise compliance may affect trail access on public land.

Montana bill of sale statistics

BillOfSaleNow has generated 301 bill of sale documents for Montana transactions, with 8 generated this month alone. The most popular vehicle type is car.

Where to File — Helena Title Office

Office

County Treasurer – Helena

Address

Visit https://dojmt.gov/driving for the nearest Helena, MT office

Phone

See state DMV website for local office phone numbers

Hours

Mon–Fri 8:00 AM–5:00 PM

Additional requirements in Helena County:

  • Complete a title transfer at your local Montana title office within the required timeframe
  • Montana has no state sales tax on any purchases
  • Both buyer and seller should retain a signed copy of the bill of sale
  • Bring a valid government-issued photo ID and proof of insurance

What to Bring to the MT DMV

  • 1Completed, signed dirt bike bill of sale (notarized)
  • 2Dirt Bike title signed over by seller on the back
  • 3Valid government-issued photo ID (driver's license or passport)
  • 4Payment for title transfer fee: $12.00
  • 5Payment for sales tax (No state sales tax of sale price)

FAQ — Dirt Bike Bill of Sale Requirements in Helena

What are the required fields on a dirt bike bill of sale in Helena?
A valid dirt bike bill of sale in Helena, Montana must include both parties' full legal names and addresses, sale date, agreed sale price, VIN, year, make, model, and signatures of buyer and seller. Notarization is required in Montana.
What is the title transfer fee for a dirt bike in Helena?
The title transfer fee in Helena County is $12.00. The dirt bike sales tax rate is No state sales tax. No sales tax; registration fees based on vehicle age and value
Is notarization required for a dirt bike bill of sale in Helena?
Yes. Montana requires notarization of the bill of sale or title assignment for vehicle transfers. Visit a local notary public before submitting documents.
Where do I file a dirt bike title transfer in Helena?
File the title transfer at the County Treasurer – Helena, Visit https://dojmt.gov/driving for the nearest Helena, MT office. Hours: Mon–Fri 8:00 AM–5:00 PM. Phone: See state DMV website for local office phone numbers.

Trusted by private vehicle sellers nationwide

45% faster sale

Vehicles whose listings include a history report spend ~45% less time on site before selling, and report-viewers are 5x more likely to become a lead.

Source: Experian / AutoCheck

$4,000 avg loss

NHTSA estimates 450,000+ vehicles per year are sold with rolled-back odometers — the average victim loses about $4,000 in downstream repair costs.

Source: NHTSA

17.5M private sales/yr

About 17.5 million private-party vehicle transactions happen in the U.S. each year — roughly 47% of the used market.

Source: Cox Automotive 2024

1 in 3 buyers

Roughly 1 in 3 used-car buyers say they suspect private sellers are hiding mechanical problems — documentation closes that trust gap.

Source: JW Surety Bonds (n=3,000)

$60–$85 mobile notary

Mobile notary visit minimums run $60–$85 — higher on weekends, plus per-mile travel fees. State-formatted documents skip the trip.

Source: Thumbtack / NNA