spark plug MAZDA MODEL SPEED MX-5 MIATA 2004 Owners Manual

4-2
Before Driving Your Mazda
Form No. 8T02-EA-03L
Fuel and Engine Exhaust Precautions
Vehicles with catalytic converters or oxygen sensors must use ONLY UNLEADED FUEL,
which will reduce exhaust emissions and keep spark plug fouling to a minimum.
MX-5/miata
Your Mazda will perform best with fuel listed in the table.
* U.S. federal law requires that octane ratings be posted on gasoline station pumps.
You may use a regular unleaded fuel with an Octane Rating from 87 to 90 (91 to 95 RON)
but this will slightly reduce performance.
Fuel with a rating lower than 87 octane (91 RON) could cause the emission control system
to lose effectiveness. It could also cause engine knocking and serious engine damage.
MAZDASPEED MX-5
Use only premium unleaded fuel listed in the table.
* U.S. federal law requires that octane ratings be posted on gasoline station pumps.
Fuel Requirements
Fuel Octane Rating* (Anti-knock index)
Premium unleaded fuel 91 [ (R+M)/2 method] or above (96 RON or above)
Fuel Octane Rating
*(Anti-knock index)
Premium unleaded fuel 91 [ (R+M)/2 method] or above (96 RON or above)
•USE ONLY UNLEADED FUEL.
Leaded fuel is harmful to the catalytic converter or the oxygen sensor. The lead will
accumulate on the oxygen sensor and the catalyst inside the converter. This will result
in a malfunction of the emission control system, causing poor performance.
• Your vehicle can only use oxygenated fuels containing no more than 10% ethanol by
volume. Damage to your vehicle may occur when ethanol exceeds this
recommendation, or if the gasoline contains any methanol. Stop using gasohol of any
kind if your vehicle engine is performing poorly.
• Never add fuel system additives. Never add cleaning agents other than those specified
by Mazda. Other cleaning agents and additives may damage the system. Consult an
Authorized Mazda Dealer.
• (MAZDASPEED MX-5)

Never use fuel other than premium unleaded fuel for your vehicle. Use of other fuel
could cause poor engine performance and serious engine knocking.
CAUTION
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8-4
Maintenance and Care
Scheduled Maintenance
Form No. 8T02-EA-03L

Schedule 1
I:
Inspect: Inspect and clean, repair, adjust, or replace if necessary.
R: Replace
C: Clean
L: Lubricate
ENGINE
COOLING SYSTEM
FUEL SYSTEM
IGNITION SYSTEM
CHASSIS and BODY
* According to state / provincial and federal regulations, failure to perform maintenance on these items will not void your emissions warranties. However, Mazda recommends that all maintenance services be performed at
the recommended time or mileage / kilometer period to ensure long-term reliability.Maintenance Interval
(Number of months or kilometers (miles),
whichever comes first) Months 6 12182430364248
× 1000 km 12 24 36 48 60 72 84 96
× 1000 miles 7.5 15 22.5 30 37.5 45 52.5 60
Engine valve clearance I
Engine timing belt Replace every 96,000km (60,000miles)
Drive belt (tension) II
Engine oil MX-5/miata
RRRRRRRR
MAZDASPEED MX-5 Replace every 8,000km (5,000miles) or 5 months
Engine oil filter MX-5/miata
RRRRRRRR
MAZDASPEED MX-5 Replace every 8,000km (5,000miles) or 5 months
Cooling system II
Engine coolant Replace at first 96,000 km (60,000 miles) or
48 months ; after that, every 24 months
Idle speed II
Air filter CCRC
Fuel lines and hoses
*II
Hoses and tubes for emission
*I
Spark plugs MX-5/miata
RR
MAZDASPEED MX-5 Replace every 160,000km (100,000miles)
Brake lines, hoses and connections II
Disc brakes IIII
Tire (Rotation) Rotate every 12,000km (7,500miles)
Steering operation and linkages II
Manual transmission oil R
Rear differential oil R
Front and rear suspension ball joints II
Driveshaft dust boots II
Exhaust system and heat shields Inspect every 72,000km (45,000miles) or 60 months
All locks and hinges LLLLLLLL
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8-5
Maintenance and Care
Scheduled Maintenance
Form No. 8T02-EA-03L

Schedule 2
I:
Inspect: Inspect and clean, repair, adjust, or replace if necessary.
R: Replace
C: Clean
ENGINE
COOLING SYSTEM
FUEL SYSTEM
IGNITION SYSTEM
ELECTRICAL SYSTEM
* According to state / provincial and federal regulations, failure to perform maintenance on these items will not void your emissions warranties. However, Mazda recommends that all maintenance services be performed at
the recommended time or mileage / kilometer period to ensure long-term reliability.Maintenance Interval
(Number of months or kilometers (miles),
whichever comes first) Months 4 8 12 16 20 24 28 32 36 40 44 48
× 1000 km 8 1624324048566472808896
× 1000 miles 5 10 15 20 25 30 35 40 45 50 55 60
Engine valve clearance I
Engine timing belt Replace every 96,000km (60,000miles)
Drive belts (tension) II
Engine oil (Except Puerto Rico)MX-5/miataRRRRRRRRRRRR
MAZDASPEED MX-5 Replace every 5,000km (3,000miles) or 3 months
Engine oil (Puerto Rico) Replace every 5,000km (3,000miles) or 3 months
Engine oil filter MX-5/miata
RRRRRRRRRRRR
MAZDASPEED MX-5 Replace every 5,000km (3,000miles) or 3 months
Cooling system II
Engine coolant Replace at first 96,000 km (60,000 miles) or
48 months ; after that, every 24 months
Engine coolant level IIIIIIIIIIII
Idle speed II
Air filter CCRC
Fuel lines and hoses
*II
Hoses and tubes for emission*I
Spark plugs MX-5/miata
RR
MAZDASPEED MX-5 Replace every 160,000km (100,000miles)
Function of all lights IIIIIIIIIIII
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8-8
Maintenance and Care
Scheduled Maintenance
Form No. 8T02-EA-03L
I:Inspect: Inspect and clean, repair, adjust, or replace if necessary.
R: Replace
C: Clean
ENGINE
COOLING SYSTEM
FUEL SYSTEM
IGNITION SYSTEM
*1 Also inspect and adjust the power steering and air conditioner drive belts, if installed.
*2 Replacement of the timing belt is required at every 100,000 km {62,500 miles}. Failure to replace the timing belt may result in damage to the engine.
*3 If the vehicle is operated under any of the following conditions, change the engine oil and oil filter more often than recommended intervals.
a) Driving in dusty conditions.
b) Extended periods of idling or low speed operation.
c) Driving for long period in cold temperatures or driving regularly at short distance only.
*4 If the vehicle is operated in very dusty or sandy areas, inspect and if necessary, clean or replace the air filter more often than the recommended intervals.
Maintenance
Interval
(Number of
months or
kilometers (miles),
whichever
comes first) Months 6 121824303642485460667278849096
× 1000 km 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160
× 1000 miles
6.25 12.5 18.752531.25 37.5 43.755056.25 62.5 68.757581.25 87.5 93.75100
Engine valve clearance Inspect every 100,000 km (62,500 miles) or 60 months
Drive belts
*1IIIIIIIIIIIIIIII
Engine timing belt
*2Replace every 100,000 km (62,500 miles)
Engine oil*3RRRRRRRRRRRRRRRR
Engine oil filter*3RRRRRRRRRRRRRRRR
Cooling system IIIIIIII
Engine coolant except
Australia,
New Zealand
Replace every 24 months
Australia,
New Zealand Replace at first 80,000 km (50,000 miles) or 48 months ;
after that, every 24 months
Idle speed IIIIIIII
Air filter
*4
except
Australia,
New Zealand CCRCCRCC
Australia,
New Zealand CRCRC
Fuel filter except
Australia,
New Zealand
RRRR
Australia,
New Zealand RRR
Fuel lines and hoses IIIIIIII
Spark plugs Replace every 40,000km (25,000miles)
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10-4
Form No. 8T02-EA-03L
Specifications

Engine

Electrical System

Lubricant Quality
* Refer to the recommended SAE viscosity numbers on page 8-13 .
Specifications
Item
Specification
Type DOHC-16V in-line, 4-cylinder
Bore ×Stroke 83.0 mm × 85.0 mm (3.3 × 3.4 in)
Displacement 1,840 ml (1,840 cc, 112.2 cu in)
Compression ratio MX-5/miata
10.0
MAZDASPEED MX-5 9.5
Item Specification
Battery Maintenance-free, 12V-32AH/5HR
Alternator 12 V - 80 A
Starter 12 V - 1.0 kW
Spark-plug
number MX-5/miata
NGK
BKR5E11, BKR6E11
DENSO K16PR-U11, K20PR-U11
MAZDASPEED
MX-5 DENSO
SK16PR-F8
Spark-plug gap MX-5/miata
1.0—1.1mm (0.040 —0.043 in)
MAZDASPEED MX-5 0.7—0.8mm (0.027 —0.031 in)
Lubricant Classification
API Service ILSAC
Engine oil
*
SG (Energy Conserving II) —
SH (Energy Conserving II) GF-I
SJ GF-II
SL GF-III
Lubricant Classification
Manual transmission oil Any temperature
API Service GL-4 or GL-5
SAE
75W-90
Above 10 °C (50 °F) API Service GL-4 or GL-5
SAE
80W-90
Automatic transmission fluid ATF M-III or equivalent (e.g. Dexron® III)
Rear differential oil API Service
GL-5
SAE 90
Power steering fluid ATF M-III or equivalent (e.g. Dexron® III)
Brake/Clutch fluid SAE J1703 or FMVSS116 DOT-3
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