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Terms and Conditions (for customer)

Volt is displayed by connecting the power supply wire.

Use the tube fuse of repair part when the fuse of the power supply wire is changed.  Using a 
commercial fuse may affect the accuracy.

Confirmation

Repair Parts (for customer)

A. Limited Warranty

a. Our sole obligation to you after the sale of a product is to replace, without charge, the product or any 

component thereof discovered to bee defective within a period of one (1) year from the purchasing 
date(the "Warranty Period").  You accept sole responsibility for the proper assembly operation and 
regular maintenance of the product.  This limited warranty is void if any product is damaged by 
accident, misuse, improper installation, or abuse, including tampering or damage in transit.  Further, 
this limited warranty is void if you sell or otherwise transfer a product to a third party, regardless of 
whether the transfer takes place within the Warranty Period.

b. Out liability to you resulting from the sale of any product, including liability for any latent defects found 

within the Warranty Period, shall not exceed the total purchase price paid for the product by you.

c. YOU UNDERSTAND AND AGREE THAT WE MAKE NO REPRESENTATIONS OR WARRANTIES OF 

ANY KIND, EXPRESS OR IMPLIED AS TO ANY MATTER WHATSOEVER, INCLUDING THE 
CONDITION OF THE PRODUCT OR ANY COMPONENT PARTS THEREOF, ITS 
MERCHANTABILITY OR ITS FITNESS FOR ANY PARTICULAR PURPOSE AND YOU ACCEPT IT, 
"AS IS," "WHERE IS."

d. You also understand that we are not granting any express warranties, other than those stated herein.  

These include only those warranties enumerated in paragraph A. a.  There are no other express 
warranties granted anywhere in these terms and conditions of sale, and you understand and agree to 
this fact as part of the bargained for exchange of this sale.  Nowhere else, except as stated in this 
paragraph, in this contract is there intended, by either party, for there to be any express warranties 
granted to you.

e. EXCEPT AS OTHERWISE PROVIDED HEREIN, WE SHALL NOT BE LIABLE FOR DAMAGES, 

INCLUDING SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES WHETHER IN CONTRACT 
OR IN TORT ARISING OUT OF OR IN CONNECTION WITH THE PERFORMANCE OF ANY 
PRODUCT OR ANY COMPONENT PART THEREOF OR ITS USE BY YOU, AND WE SHALL NOT 
BE LIABLE FOR ANY SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF 
OR IN CONNECTION WITH YOUR USE OF THE PRODUCT.

f. The warranty on this product is void if the product is modified, changed, adjusted or damaged.  This 

product is to be used only in the ways for which it is designed and marketed for, any deviations from 
the intended uses will void the warranty and will excuse any possible liability of ours.

g. You accept sole responsibility for the proper assembly, operation and regular maintenance of the 

product.  This limited warranty is void if the product is damaged, changed, altered, or modified by 
accident, misuse, improper installation , or abuse, including tampering or damage in transit or while in 
use.  YOU HAVE MADE AN INDEPENDENT INVESTIGATION OF THE PURCHASED 
COMPONENTS AND HAVE RELIED SOLELY ON YOU OWN INVESTIGATION, BARGAINING AND 
JUDGMENT IN REFERENCE THERETO.  YOU ACKNOWLEDGE THAT YOU ARE NOT RELYING 
ON OUR SKILL OR JUDGMENT TO SELECT OR FURNISH GOODS SUITABLE  FOR ANY 
PARTICULAR PURPOSE IN PURCHASING OUR PRODUCTS, YOU HAVE NOT RELIED OR 
ACTED UPON ANY REPRESENTATIONS OR WARRANTIES ON OUR PART NOT SPECIFICALLY 
SET FORTH HEREIN.

h. This limited warranty gives you specific legal rights.  You may also have other rights which vary from 

state to state.  Some states do not enforce contractual limitations on how long an implied warranty 
lasts, when an action may be brought, or the exclusion or limitation of incidental or consequential 
damages, so the above limitations or exclusions may not apply to you.

B. Modification Strictly Prohibited

You understand and agree that any modification whatsoever , of the product, is strictly prohibited.  You 
also agree not to modify the product in any manner regardless of whether such modification is 
material or immaterial.  You also acknowledge that any modification of the product will void your 
limited warranty and bar you from any recovery or any remedy in a court of law or equity.  Modification 
is strictly forbidden unless expressly authorized by our prior written approval.  You agree not to make 
any modifications to the product and agree not to use any parts, components, or accessories in 
connection with the installation and use of the product that are not authorized and approved by us.

C. Indemnity and Release

a. You understand and agree that many factors beyond our control affect the operational safety of the 

product, including but not to limited to the installation of the product according to the instructions 
provided with the product.

b. You also understand and agree that the installation of the product may involve the use of tools, 

equipment and construction methods which may present safety hazards which are beyond our 
control.  You also understand and agree that the use of some of our products may create hazards and 
lower your ability to control your vehicle.

c. You agree, as part of the bargained for exchange, to protect, indemnify, save harmless and release 

us, our authorized agents, employees, officers, directors and shareholders from and against all 
liabilities, obligations, claims, damages, penalties, causes of action, costs and expenses, imposed 
upon or incurred by or asserted against us or any assignees of ours, by you or any third party by 
reason of the occurrence or existence (or alleged occurrence or existence) of any use, installation, 
assembly, possession or operation of the product, any loss, damage or destruction of the product as 
of and after delivery(a "casualty occurrence"), and any other act or event relating to or caused by the 
product, including but not limited to, consequential or of the terms and conditions hereof, or any and 
all liability for property loss or damage, or any and all damage resulting from death or personal 
injuries, including loss of services which any person may sustain on account of, arising out of, or in 
connection with any use, maintenance, possession or operation of the product.  In the event that any 
action, suit or proceeding is brought against us or any of our authorized agents, employees, officers, 
directors or shareholders by reason of any such occurrence, you will, upon our request and at your 
expense, resist and defend such action, suit or proceeding or cause the same to be resisted and 
defended by counsel designated and approved by us.

LIMITED PRODUCT WARRANTY AND LIMITED PRODUCT LIABILITY

TEMP. (DF067, 117 Series)

Components

Gauge 1pc

Temperature sensor

(1/8PT) 1pc

Sensor wire (3m, 10ft)

1pc

Power supply wire

(1m, 3 1/3ft) 1pc

Meter cup 1pc

Regular position

bezel 1pc

Red

2pins

Components

Gauge 1pc

Exhaust temperature

sensor 1pc

     Sensor wire (2.5

m, 

8 1/5ft)

1pc

Power supply wire

(1m, 3 1/3ft) 1pc

Meter cup 1pc

Fitting (1/8PT) 1pc

Regular position

bezel 1pc

Black
2pins

EXT.T. (DF068, 118 series)

How to attach Volt gauge

Components

Gauge 1pc

Power supply wire

(1m, 3 1/3ft) 1pc

Meter cup 1pc

Regular position

bezel 1pc

VOLT (DF070, 119 series)

Optional Parts (for customer)

Troubleshooting (for customer and installation personnel)

If operation of the product seems unusual, inspect the product to confirm that there is no malfunction.  
If an operational problem has occurred, it could result in an accident.

In addition to a general inspection of the product, use the following table to confirm proper operation of the unit.

Condition

Possible Cause

Corrective Action

Item

Model Number

Disconnection of sensor or sensor wire

Connector is unhooked.

Incorrect wiring

A gauge lapses into the 
disconnection check mode. 
(Except VOLT gauge)

Check the disconnection of connectors 
and wires.

Sensor or sensor wire has a short 
circuit.

Sensor or sensor wire is shorted to 
the vehicle body.

A gauge lapses into the short 
circuit check mode.  (Except 
VOLT gauge)

Look for the point of short circuit with the 
following procedures.

Step 1

 Unplug the sensor from sensor wire.

<1> The gauge lapses into the 

disconnection check mode.  

Short circuit of the sensor.

<2> The short circuit check mode 

continues. 

Go to 

Step 2

Step 2

】 

Unplug the sensor wire from the gauge.

<1> The gauge lapses into the 

disconnection check mode.  

 Sensor wire has a short circuit.

Fuse on the power supply wire is 
blown out. 

A gauge doesn't operate.

Check the wiring.

Do not share single fuse with multiple 
gauges.  Every gauge requires 
independent fuse for IGN and +B line.

Wiring of IGN wire or GND wire of 
the power supply wire to the vehicle 
is wrong.

Fuse on the IGN wire of the power 
supply wire is blown out.

A gauge doesn't perform the 
opening mode.

Check the wiring.

Replace the fuse of the power supply 
wire.

Wiring of constant wire of 
the power supply wire to the vehicle 
is wrong.

Fuse on the constant wire of 
the power supply wire is blown out.

A gauge doesn't perform the 
closing mode. 

Check the wiring.

Replace the fuse of the power supply 
wire.

Wiring of ILM wire of the power 
supply wire to the vehicle is wrong.

Dimmer is not working.

Check the wiring.

Wrong wiring of the power supply wire

Malfunctioning operation

Check the wiring.

If the problem is not solved after the remedies mentioned above are tried:

Ask the installation personnel or the shop you purchased the gauge for inspection.

Purchase new parts for replacing wear-out parts .

Warning

Fuse 0.3A (2pcs)

Mounting Bracket set for 

Φ60mm gauge

Power Supply wire

Boost Sensor

Boost Sensor wire

Pressure Sensor(1/8PT)

Pressure Sensor wire

Temp. Sensor(1/8PT)

Temp. Sensor wire

Exhaust Temp. Sensor

Exhaust Temp. Sensor wire

1/8PT Fitting for Exhaust Temp. Sensor

PDF06508G

PDF07809G

PDF06504H

PDF06503S

PDF06505H

PDF00703S

PDF06603H

PDF00903S

PDF05602H

PDF01103S

PDF06803H

PDF01105G

Mounting Bracket set for 

Φ52mm gauge

PDF06507G

Item

Model Number

Boost Sensor extension wire 1m(3 1/3ft.)

Pressure Sensor extension wire 1m(3 1/3ft.)

Pressure Sensor extension wire 2m(6 3/5ft.)

Temp. Sensor extension wire 1m(3 1/3ft.)

Temp. Sensor extension wire 2m(6 3/5ft.)

Exhaust Temp. Sensor extension wire 2m(6 3/5ft.)

PDF06002H

PDF06013H

PDF00707H

PDF06014H

PDF00906H

PDF01107H

Operation manual (this sheet) and warranty card are included other than the parts listed above.  Keep them at hand.

Mounting bracket set

Double sided

tape 1pc

Buffer

1pc

Mounting

bracket 1pc

M4 bolt, nut,

washer 1pc

Operation manual (this sheet) and warranty card are included other than the parts listed above.  Keep them at hand.

Mounting bracket set

Double sided

tape 1pc

Buffer

1pc

Mounting

bracket 1pc

M4 bolt, nut,

washer 1pc

Operation manual (this sheet) and warranty card are included other than the parts listed above.  Keep them at hand.

Mounting bracket set

Double sided

tape 1pc

Buffer

1pc

Mounting

bracket 1pc

M4 bolt, nut,

washer 1pc

(provided with 

 commercial parts)

Engine

Sensor attachment 
(commercially available)

O ring

Sensor

Detach the original element.

Wind Teflon tape.

Be sure not to twist.

How to attach temperature sensor for oil temperature (Use a commercial sensor attachment.)

Do not put the sensor in the side hole.  
The depth of the hole for the sensor 
must be more than 30mm (1.2”).

Thread size 1/8PT

Engine

To sensor wire

The thread size of the temperature sensor is 1/8PT. Use a sensor attachment of 1/8PT.  If the thread 
size of the sensor attachment for the temperature sensor is not 1/8PT, and you use a conversion 
adapter available from hardware store, note that the temperature is displayed lower than the actual 
value.
The depth of the hole for the sensor must be more than 30mm (1.2”).

Tighten the sensor into the sensor attachment and then connect it to the sensor wire.

Be sure the sensor wire is not twisted when installing the sensor.  The sensor wire will be cut.
Oil spills by the installation work.  Please replenish the engine with oil.  The engine might overheat 
when oil is too little.
To avoid oil leaks by installing of the sensors, use Teflon tape.  Before driving, inspect oil blocks for 
leaks.  Leaks could cause a fire or damage the engine.
To avoid the damage of the sensor wire, please fix the waterproof connector on the vehicle body and 
do not bend the sensor wire near the sensor.

Warning

Confirmation

Radiator

Attach tightly with clamps.
(commercially available)

Wind Teflon tape.

Sensor

To sensor wire

Thread size 1/8PT

Be sure not to twist.

*Cut the upper hose and connect the 

sensor attachment between hoses.

Upper hose

Sensor attachment
(commercially available)

Be sure the sensor wire is not twisted when installing the sensor.  The sensor wire will be cut.
Coolant spills by the installation work.  Please replenish the engine with coolant and bleed the air 
from the system, or the engine might overheat.
To avoid water leaks during installation of the sensors, use Teflon tape.  Attach the sensor 
attachment and upper hose with clamps.  Inspect hose connections for leaks before driving.
To avoid the damage of the sensor wire, please fix the waterproof connector on the vehicle body and 
do not bend the sensor wire near the sensor.

The thread size of the temperature sensor is 1/8PT.  Use a sensor attachment of 1/8PT.  If the thread 
size of the sensor attachment for the temperature sensor is not 1/8PT, and you use a conversion adapter 
available from hardware store, note that the temperature is displayed lower than the actual value.

Tighten the sensor into the sensor attachment and then connect it to the sensor wire.

Confirmation

Warning

How to attach temperature sensor for water temperature (Use a commercial sensor attachment.)

Thread size 1/8PT

Exhaust manifold

Make a threaded screw
hole (1/8PT).

Sensor wire

Fitting(b)

Bushing

Exhaust temperature sensor

Fitting(a)

The thread size of the fitting is 1/8PT.  Make a threaded screw hole of 1/8PT.
Tighten the sensor into the sensor attachment and then connect it to the sensor wire.

Confirmation

To avoid personal injury, do not install the exhaust temperature sensor while the engine is hot. 
When making a hole, make sure no chip remains in the exhaust pipe or turbine.  It may result in 
damage to the engine, exhaust pipe, or turbine.

Warning

1) Make a 1/8PT threaded screw hole in the exhaust manifold pipe. (Weld if the pipe wall thickness is not enough

2) Dismantle the fitting.  Do not crush the bushing inside the fitting.
3) Tighten the fitting(a) to the hole of the exhaust manifold.
4) Pierce the sensor through the fitting(b) and the busing.
5) Insert the edge of the sensor into the fitting(a) and position it at the center of the exhaust pipe.
6) Tighten the fitting(b).

How to attach exhaust temperature sensor for exhaust temperature

Racer Gauge 

Φ52, Φ60

 Operation Manual

 

Issue    First edition: September, 2011  Second edition: July, 2012  

 

Manufacturer

    

Nippon Seiki Co., Ltd.

 

Contact Information    Nippon Seiki Co., Ltd. Defi Business Division

Address

 190-1 Fujihashi 1-chome, Nagaoka-shi, Niigata 940-2141 JAPAN

URL

 http://www.defi-shop.com/

Patent pending

PAT. 3624865

PAT. 3365604

Maintenance & Check/Warranty & Servicing

Warranty card

Terms and conditions

This product is delivered with this operation manual and a warranty card.   Please read terms and conditions in 
this manual thoroughly and keep the warranty card in a safe place. Failure to show this warranty will void the 
warranty.

Warranty period

Limited one year warranty. The warranty period starts at the date of retail purchase by the original end-user 
purchase. Please confirm the warranty card is provided with the information of retail store where purchased. 
Please refer to  Limited Warranty for details.

Inspection

Please ask the shop you purchased the product for inspection if any defect in product is suspected. We don't 
accept the order of fixing because Defi products require installation and wiring to the vehicle.  In case you cannot 
go to the shop you purchased because of move-out or closure of shop, please ask the nearest Defi Distributor 
listed in the Defi website. 

       

For a repair/inspection service, take the warranty card and customer contact information with you.

Label

The label sticked on the product is for the product traceability.  Do not peel it off. 

Repairing

When a repair is necessary, we will return the inspection result report through the store to you.  After receiving a 
repair service request, we start repairing.   Ask the store how much it costs and how long it takes to repair.

Discarding the products

Please dispose products in accordance with disposal laws, state laws and local government. A recycle label on 
the package indicates that the package is recyclable. 

Except in the case of defects, we shall not be liable for any trouble including violation, accident or improper 
wiring resulting from using this product.
The warranty does not cover any unauthorized repair performed or caused to be performed by the end user. 
Such action can destroy or damage this product.

A
B
C
D
E
F
G

Φ52

58.3
51.8
15.2
67.9
61.9

15°
25°

Φ60

66.3
52.2
15.5
70.2
70.5

15°
32°

Gauge diameter

Gauge diameter

ΦA

C

B

Dimensions in mm 

(1mm=0.039in)

ΦE

F

G

D

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