Arai Helmet GP-5X User manual

English
INSTRUCTION MANUAL
GP-5X
Please read before wearing helmet

Notes
4
Product Warranty
We wish to take this opportunity to thank you for purchasing one of our ARAI helmets. We
are confident that it will meet with your satisfaction and we offer this booklet of information
to enhance your enjoyment of your new helmet. As the oldest manufacturer of safety
helmets in Japan, ARAI has always been in the forefront of the helmet technology and we
continue today as one of the leaders in the art and science of making helmets. However,
even when built to the best of the current “state of the art”, no helmet can guarantee absolute
safety. Your helmet’s function is to reduce the chance or severity of injury in an accident.
Some reasonably foreseeable impacts may exceed any helmet’s ability to protect against
injury. Please bear this in mind when you ride and ride safely.
In order to come into consideration for the guarantee you are requested to return the enclosed
form within ten days of purchase to Arai Helmet (Europe) B.V., P.O. Box 112, 3870 CC
Hoevelaken, the Netherlands. Please ensure that the form has been stamped and dated by
the dealer from whom the helmet was purchased. Your guarantee is only valid on our
receipt of this form.
Every Arai helmet which, in the opinion of Arai Helmet Europe B.V., shows any signs of
material or manufacturing defects within five years of purchase, will be repaired free of
charge at the original purchaser or replaced at the discretion of Arai if it is sent carriage
paid in the original packaging to the importer in the country of purchase.
Any alterations effected by the purchaser or third parties invalidate this guarantee. Normal
wear and tear of the painted surfaces and abnormal treatment or wilful damage of the interior
of the helmet is not included in the guarantee. Flaking, scratches or other damage to the
outer shell of the helmet and painted surfaces which were caused by contact with a surface
or object are excluded from the guarantee, unless these were caused by production faults.
This guarantee supersedes all other guarantees. Arai does not accept liability for any
additional or consequential damage. This guarantee does not apply to accessories such as
visor, helmet peaks or chin protectors. The Dutch text of this guarantee shall prevail over
the translation. The Dutch text has been filed at the District Court Registry in Utrecht under
number 30/92.
Parties declare that the Laws of the Kingdom of the Netherlands apply to this guarantee
and state that the Court at Utrecht in the Netherlands are exclusively competent to decide
on any dispute.

Notes on use ARAI HELMET
The basic function of the helmet, to protect the head
from the effects of a severe blow is accomplished by sur-
rounding the head with a certain amount and type of
material and space which work as a shock absorber and
buffer. For optimum safety, a substantial amount of mate-
rial is needed around the head. Therefore, although neg-
ligible, some degree of hearing, peripheral vision and
physical movement may be sacrificed in order to pro-
perly protect your head. Remember this and ride accor-
dingly.
For maximum safety, it is important that your helmet be
a snug, comfortable fit on your head. It should not be
too large so as to dance around on your head nor so
small that it constricts and causes pain. When trying
to move the helmet on the head, either in rotation and/or
fore & aft, the skin should be pulled by the lining. If the
lining slips easily over the skin the helmet is too large.
In the event of an accident, you will be subject to
impacts that can come from any direction. Some may
tend to lift the helmet from your head. Therefore, it is
imperative that your chinstrap is securely fastened, kee-
ping your helmet firmly in place whenever you ride.
NOTICE: All painted surfaces are subject to change,
over time, due to environmental factors. Such changes,
such as fading, are due to the effects of sun, vapours,
cleaning agents, etc. and are to be considered as nor-
mal wear
and tear and, therefore, not subject to warranty
replacement
claims. It should be noted by consumers
contemplating the purchase of a helmet with florescent
(i.e. “day-glo”) sections to its finish that this type of finish
is particularly susceptible to effects of this normal wear
and tear.
5
Outer
shell
Chinstrap
Shockabsorbing
inner shell Comfort
liner

Visor (Face Shield) maintenance instructions
6
On the Arai helmet you just purchased a visor (face shield) is installed. This visor is made
of high quality polycarbonate. To keep this important part of your helmet in good condition
and to enjoy your visor for a long time please see a few tips for maintenance below.
Cleaning
For the best cleaning of the visor use soft cloth and clear, lukewarm water (preferably distilled
water) In case of a very dirty visor (f.i. insect remains) add some dish-washing liquid to the
water.
NEVER USE PETROL, THINNER, BENZENE OR ANY OTHER SOLVENTS AS THEY
CAN ADVERSELY AFFECT THE QUALITY OF THE VISOR!
Also products labelled as helmet/visor care/cleaner may have a negative effect on the
quality of the visor!
This also applies to the other (plastic) parts of the visor system (shield holders, base plates)
and the ventilation devices on your helmet.
Before cleaning the visor remove the visor from your helmet (see the owners manual).
Clean it and dry it by using a soft cloth, never any paper products, do not use any heater
for drying the visor! After drying install the visor as described in the owners manual.
Tip: Clean the visor on a regular basis, preferably directly after use, in order to remove
remains of insects and other dirt more easily.
The space between the shield holder (side-pod) and the helmet can also become very dirty
which may have an adverse effect on the visor operation. Remove and install the holders
in accordance with the owner’s manual and clean the parts with lukewarm water.
Scratches
Do not use sharp objects to remove dirt from your visor: this may cause scratches! In case
of scratches on your visor do not polish it; as this may cause optical distortions!
Storage
Store your visor in a dry and dark place, preferably in the original Arai helmet bag.
Eye-Opening trim rubber
In the helmet box you will find a small plastic bottle which contains liquid silicone. This fluid
is to keep the eye-opening trim rubber in good condition. Apply (when necessary) just a
little bit of the silicone on the trim rubber, this provides a smoother operation of the visor.
This silicone is also a lubricant for moving plastic parts (shutters on ventilation devices, red
clip on the base plates). Lubricate these parts slightly, too much will attract excessive dirt
and dust, when necessary.

Precautions on inadvertent
damage to helmets
Do not carry helmet on the motorcycle’s helmet lock
while riding to avoid exhaust pipe burns, tire abrasion,
and strap damage.
Use soft cloth with detergent and lukewarm water solution
to clean both the inside and outside of your helmet.
Never use petrol, thinner, benzene or any other solvents
as these can adversely affect the shock absorbing liner
plastic components.
Never use petrol, thinner, benzene or any other solvents
for cleaning the shields/visors. Use only detergent and
lukewarm water to avoid damage to the shields/visors
and other plastic components (see also “visor (face
shield) maintenance instructions”).
If painting your helmet, be sure to protect the entire inside
of the helmet from the paint spray by masking all openings
with paper and tape as paint can adversely effect the
shock absorbing liner and plastic components. Use only
air-drying paint, not paints that require heat curing.
Under any circumstance:
• Do not remove any trim rubber
• Do not remove the inner shell
• Do not remove the chinstrap
Although your helmet is solidly built, like any fine piece
of equipment, it should be handled with care. Dropping
onto solid surfaces and other rough handling may
damage the painted surface and/or decrease its ability
to protect.
It is extremely dangerous to modify your helmet as it
may decrease the ability to protect. For safety’s sake, do
not drill any holes in the shell or press or cut the shock
absorbing liner. Use only ARAI’s genuine parts when you
replace parts of your helmet.
ARAI HELMET
7

8
As is the nature of a good helmet, this helmet is so
constructed that the energy of a severe impact is absorbed
through partial destruction of the shell and/or liner. Such
damage may not be visible to the naked eye. If the
helmet suffers such an impact, and any doubt exists as
to its further ability to protect, it should either be returned
to the manufacturer for competent inspection or discarded
and replaced by a new ARAI helmet.
Do not “park” helmet on mirror stalks or sissy bars to
avoid damage to liner.
Do not carry helmet on the motorcycle’s helmet lock
while riding to avoid exhaust pipe burns, tire abrasion,
and strap damage.
Keep helmet out of the reach of pets to avoid the interior
being chewed like a shoe, or scratched, like a sofa, as
all too often happens. Such damage can be irreparable.
Do not expose helmets to solvents including gasoline, or
their fumes to avoid damage to shields, small plastic
components and interior.

ARAI HELMET
9
Do not push the helmet straight down on the head, but:
• take left chinstrap in left hand, right chinstrap in right
hand
• pull both chinstraps outwards
• slide helmet from top backside off the head towards
front downside
To operate chinstrap
For proper fastening the chinstrap must be routed through
the D-rings as illustrated <1> and pulled through them
securely.
The end-strap snap is provided only to allow the wearer
to prevent the end of the strap from flapping in the air
stream <2>.
WARNING: It is not part of the retention system and
should not be relied upon even when carrying the helmet
by the strap, as it will release under little stress.
A D-ring release tab is provided to make the loosening
of the rings easier. Simply pull as illustrated in <3>.
Storage
Always store your Arai helmet at room temperatures in
the original cloth helmet sack when not in use.
• Do not store the helmet in a moist, damp or high-humidity
environment
• Do not store in or near high temperatures or heat
sources (such as a stove)
• Keep away from hot exhaust systems
How to put on a helmet
<1>
<2>
<3>

Operation instructions
10
To operate and to remove the shield
Pull outward on lower left side of the shield to
release the lock system, to raise the shield.
The shield can only be opened when the lock
system has been released. To close the
shield smoothly, push down on the middle of
the upper edge of the shield.
To remove the shield, remove screws, washers
and guides from the helmet. To replace, posi-
tion the shield in place and install guides,
washers and screws as illustrated.
Notes on shield with tear-off posts and instructions for
tear-off (optional)
Proper tear-off (optional) is for racing use only.
Never use for street riding.
Some tear-offs come with protective film on
one or both sides. Be sure to remove any films
that may be present (<A>.
To install tear-offs, slip the hole of the shorter
end over the right (throttle side as you sit on
the motorcycle) shield post. Lay the tear-off
across the shield and slip the other hole over
the left (clutch side) shield post <B>.

ARAI HELMET
11
Arai tear-off posts are eccentrically mounted
so as to be adjustable to better accept looser
or tighter tear-offs. Adjust both posts by rotating
them so that the tear-off is taut across the
shield but not too tight so as to rip or distort
the tear-off <C>.
Then tighten the posts from behind with a
Philips head screwdriver while holding the
posts firmly in place with your, or an assistant’s
fingers. The posts are loose when shipped,
so be sure to tighten them before use even if
the tear-offs fit without adjustment <D>.
If applying multiple tear-offs, fold the pull tab
of the first tear-off so that the large grab hole
fits loosely of the shield post and crease the
fold flat <E>. Install successive tear-offs in
the same manner as the first, fold the pull tab
between each tear-off. Folding the last tab is
not necessary, but this will make grabbing it
easier.
Do not stack on too many tear-offs as this
may distort or diminish vision.
At high racing speeds, the pull tabs of the
tear-offs may rip or fray, or the tear-offs may
fly off when turning your head. Therefore, a
small piece of tape at each corner of each
tear-off will hold it firmly to the shield until
you pull it off <F>. Be sure to stagger the
tabs of tape for each tear-off to avoid pulling
lower ones off with the ones over them.

12
If replacing a racing shield (with tear-off posts) with a standard shield (no tear-off posts) it
may be necessary to adjust the shield position. The standard shield is curved top-to-bottom
so as to be more aerodynamic. This may make it too loose if mounted in the same position
as the racing shield, which is less curved top-to-bottom.
If the standard shield is too loose when installed, loosen all four mounting screws on the
base plates, lubricate the eye port trim with the silicone provided, mount the shield and
adjust so that the shield comes all the way of the locked down position and seals tightly
against the eye port trim. Holding the shield firmly in place tighten all four screws then
attach the side holders and test shield operation.
NOTE: The racing shield operation may be stiff compared to a standard shield, but should
close solid and tight. Routine eye port trim lubrication is recommended if shield operation
becomes stiff.
To operate brow vents
Type <A>; The Brow vents are operated from
fully closed through intermediate, to fully
open positions by simply pulling the louver
control down to open, pushing up to close.
Type <B>; The Brow vents are operated from
fully closed through intermediate, to fully
open positions by simply pulling the louver
control up to open, pushing down to close.
To operate top ducts
Simply push the switches on each duct to
open/close the ducts as illustrated.