HJC C91 Mode D'emploi page 5

Specifications
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Using Your Helmet Correctly
To reduce the risk of serious injury or death and to help prevent damage to your helmet :
• Never adjust your helmet accessories while riding – Only make helmet adjustments when stopped.
• Never drop your helmet – Dropping your helmet may crack the shell or damage the protective foam. The damage may
not be visible. Y our helmet is only designed for ONE impact. Refer to "Helmet Replacement" (p. 13) for more information
on what to do after helmet has been dropped.
• Never wear anything between your head and your helmet – this may reduce the effectiveness of your helmet.
• Never hang or hook your helmet on anything including mirror stalks or sissy bars - Doing so may cause damage
to the helmet protective foam or liner.
• Never use insect repellent on or around your helmet – insect repellant may damage your helmet's shield, shell, protective
foam, or other components.
• Never expose helmet to gasoline or gasoline fumes – Gasoline may damage your helmet's shield, shell, protective
foam, or other components.
• Never use a dark or tinted face shield at night or in low visibility conditions.
• Never ride with the modular chin bar in the open position.
- If you have any questions on what other substances may damage your helmet, please contact us.
• Always wear eye protection – If you are not using a helmet with a face shield, always wear eye protection when riding.
Always lock your face shield in place when you are riding.
• Always be alert for sounds – Your helmet may impair your hearing. However, your helmet is not a form of hearing protection.
• Always store your helmet in its helmet bag when not in use to help reduce accidental surface damage.
To reduce the risk of serious injury or death, always use your helmet correctly.
If parts fall off while riding, your vision may be blocked which could cause an accident.
• Check the retention system (chin strap) for damage. If it is frayed or ripped, replace the helmet.
• Check that all pads are in place. Both of the cheek pads and the crown pads must be in place.
Check Your Face Shield
If your face shield is scratched or damaged it may reduce the visibility-replace if necessary.
Always make sure you can see well enough to safely operate your motorcycle.
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7 1. Outer Shell
2. Sunlight film Lever
3. Rear Venturi Exhausts
4. Impact Absorbent Liner
5. Comfort Liner
6. Rubber Edge Trim
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7. Bluetooth Cover
8. Chin Strap
9. Micro Buckle
CLOSE CLOSE CLOSE
10. Chin Bar Lever
OPEN OPEN OPEN 11. Front Chin Vent
12. HJ-17 Shield
17 13. HJ-V5 Sunlight film
OPEN
14. Eyeport Gasket
CLOSE
15. Modular Chin Bar
16. Shield Ratchet
17. Top Front Vent
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Fasten the Retention System
Fasten the retention system (chin strap) as tight as possible under your jaw without causing pain. There must be no slack in the
strap, and the strap must be snug up against your jaw. If the retention system is not tight, your helmet may become dislodged or
knocked off in an accident.
Micro Buckle
Micro buckle
Chin strap
Maintaining Your Helmet Correctly
Shell Cleaning
Do not apply paint, stickers, petrol, or other solvents to this helmet.
1. Please clean helmets from dust, bugs or grass within one day.
Cleaning progress
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1) Clean the helmet with warm water and cloth.
2) If there are any remains left, dry the helmet and remove any remaining contamination with rubber eraser.
※ Do not use any alcohol or thinner to clean the helmet because they may damage the paint.
2. Avoid oil contamination as it is extremely difficult to clean once exposed.
Interior Cleaning
Although we recommend changing a helmet every 3 to 5 years, the accumulation of sweat, humidity and dirt can deteriorate
the fabric and stitching and this may cause odor. To wash HJC removable pads, hand washing is recommended. If you use
a washing machine, please use on "Delicate" setting and air dry. HJC do not recommend using spin-dryer for the interior pads
as it may damage the material. For non-removable interiors, HJC recommends using anti-bacteria and mildew eliminating
products such as "Helmet Fresh." or other similar product.
Vent Cleaning
Shield Cleaning
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The helmet shield is made of polycarbonate materials with a polyurethane abrasion resistance coating. It should be cleaned
using mild soap and warm water. Never use hot water, salt water, benzene, thinner, gasoline or any other harsh agents.
Additionally the use of commercial shield cleaners is not recommended because they may affect the quality of the shield
material. Treat carefully when cleaning the shield to preserve the abrasion resistant coating. When deep scratches are
visible, it is highly recommended that the helmet shield be replaced. Tinted shield are for "Day time use only" and are not
suitable for use at night or in conditions of poor visibility.
Hold the clip and pull
Clip
the chin strap as directed
above to adjust the fit.
Chin strap
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