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Important Safety Information; Specifications - HJC DS-X1 Owner's Manual

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Important Safety Information

The instructions in this manual are designed to help you select the right helmet, wear it properly, take care of it, and know when
to replace it. Failure to follow these instruction may increase your risk of serious injury or death in an accident.
In order to get the most protection possible from your helmet, you should always do the following:
• Wear your helmet when you ride;
• Handle your helmet carefully to avoid accidental damage; and
• Ride safely – do not take risks because you are wearing a helmet.
Although your HJC helmet is designed to reduce or prevent some injuries when worn, no helmet can protect you from all possible or
foreseeable impacts. For example, your helmet cannot protect you from spinal or neck injuries. In addition, there is no guarantee that your
helmet will PREVENT injuries to the area of your head that is covered. A low speed accident may even result in serious injury or death.
Selecting the Right Helmet
Never buy a used helmet or borrow someone else's helmet. Over time the protective foam in helmets will adjust
to the contours of a user's head. A used or borrowed helmet may not offer as much protection as a new helmet.
Wearing the wrong size helmet can increase your risk of serious injury or death in an accident. A helmet that is
too large for your head may be dislodged or knocked off in an accident. To select the right size helmet for your
head, follow these instruction :
1. Measure your head. Wrap a tape measure around your head about one inch (2.5cm) above your eyebrows.
2. Use the sizing chart to select the helmet size that corresponds most closely to your head measurement. If your head
size falls between two helmet sizes, try on the larger helmet first and then the smaller size.
Size Chart
3. Try on the helmet by grasping both chin straps to pull the helmet completely onto your head, ensuring that the top of your head
is in contact with the top of the helmet interior.
4. Check for a proper fit. To make sure your helmet is the right size, check that :
• The helmet inner lining fits snugly around your head.
• The top pad presses firmly on your head.
• The cheek pads contact your cheeks.
• There is no space around your brow under the inner lining. Test this by trying to insert your fingers.
If the helmet does not fit snugly, try on a smaller size.
5. Check your field of vision when trying on a helmet. Some helmets may obstruct or block your vision when looking left, right, up, or down.
Always make sure you can see well enough to safely operate your motorcycle.
6. Test the helmet fit by placing your hands on each side of the helmet. While holding your head as
motionless as possible, try rotating your helmet from left to right then up and down. If you can feel
the helmet padding sliding on your head, it is too big, try a size smaller. You should feel the helmet
move the skin on your head and face as you try to move the helmet.
7. 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 tight up against your jaw. See page 4-5.
8. Test the retention system (chin strap)
• Put your hands on the back of the helmet and try to push the helmet off by rotating it forward.
• Put your hands on the front of the helmet above your forehead (or on the chin guard) and try
to push the helmet off by rotating backward.
If helmet comes off or shifts over your eyes, try another size or another model or brand. You must be able
to see the edge in your upper field of vision.
Repeat steps 3 throught 8 until you find a helmet that fits your head snugly and securely.
The size chart is only for reference. Always
try the helmet on and follow this manual's
instructions for a proper fit.

Specifications

18
17
16
15
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. Your helmet is only designed for ONE impact. Refer to "Helmet Replacement" (p. 8) 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.
- 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.
Inspect your helmet
To ensure that your helmet is in the best condition to maximize your protection, always inspect your helmet for damage
before riding :
• Check the shield and shield ratchet – re-tighten shield ratchet screws if necessary. Be sure not to over-tighten any
screws. Plastic base plate screws can break and plastic screws can strip the screw sleeves if over-tightened.
• Check for helmet damage. If your helmet is damaged or cracked, stop using it immediately. See "Helmet Replacement" (p. 8)
section for further information. If your helmet has been dropped, you may not be able to see the damage.
• Check for worn or damaged parts. Plastic components may wear out over time. If you find worn or damaged parts, replace them
or purchase a new helmet. See "Replacement Parts" (p. 7) for information on parts replacement.
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.
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.
17
1. Outer Shell
2. Rear Venturi Exhausts
CLOSE
CLOSE
OPEN
OPEN
3. Impact Absorbent Liner
4. Comfort Liner
5. Lower Rear Exhaust Venturi Vents
6. Rubber Edge Trim
7. Chin Strap
8. Double "D" Ring
9. Chin Strap Snap
10. Side Chin Vents
11. Mouth Vent
CLOSE
CLOSE
12. Eyeport Gasket
13. Tool-less Shield
OPEN
OPEN
14. Anti fog lens Pins
15. Visor Side Screws
16. Visor
17. Top Front Vents
18. Visor Center Adjust Screw

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