height MAZDA MX-5 1994 Owner's Guide

TD TECHNICAL DATA A. MEASUREMENTS I Item I Measurements I B. ENGINE Overall length mm {in) Overall width mm (in) Overall height mm {in) Wheelbase mm {in) 3,948 (1 55.4) 1,676 i65.9) 1,224 I48.2) 2,266 I89.2) 1,410 (55.5) 1,428 (56.2) Tread - ltem Tvoe u Front mm (in) Rear mm {in) BP DOHC Gasoline. 4-cvcle . In-line, 4-cylinders Pentroof DOHC, belt-driven 16 valves 83.0 x 85.0 {3.27 x 3.35) 1,840 (1,840, 11 2) 9.0 1,255 {I 2.8, 1823-300 883 (9.0, 1281-300 196 {2.0, 28) s. Cylinder arrangement and number Combustion chamber Valve system Bore x Stroke mm {in] Total piston displacement ml {cc, cu in) Compression ratio Valve timing Compression pressure kPa (kgflcm2. psil-r~m I Valve and valve auide I Standard Minimum Maximum difference between each cvlinder - - IN openz (BTDCO) Close (ABDCO) Open (BBDCO) EX close (ATDC") Valve clearance mm {in) Cylinder head 5 48 56 14 IN 133.8-1 34.0 i5.268-5.275) 0.1 0 {0.004) max. 0.10 {0.004) max. 0.02G0.066 {0.0010-0,0025) 0.18 {0.0071) Height mm (in) Distortion mm {in) Grinding mm {in) - 0: Maintenance-free Cylinder head-to-HLA clearance mm (in} Valve head diameter mm Iin) Valve head margin thickness mm {in} Valve face angle I Valve seat 1 u Standard Maximum Valve length mm {in) EX IN EX IN EX IN EX Standard Minimum Standard Minimum IN EX IN EX 5.99--6.03 iO.2359--0.2374) 0.005--0.060 (0.0002-0.0023) 0.01 b0.065 (0.0004-0,0025) 0.20 {0.008} 18.3-1 8.9 {0.7214.744) 18.3-1 8.9 (0.721-0.744) Guide inner diameter mm (in) 0: Maintenance-free 32.9-33.1 {I .296--1.303) 27.85-28.15 {I .097-1 .I 08) 0.9 {0.035) 1 .O (0.039) 45" 45" 101.89 {4.0114} 100.39 {3.9524) 101.99 (4.0153) 100.49 (3,9563) 5.970-5.985 {0.2351-0.2356) 5.96G5.980 l0.2349-0.2354) Valve stem diameter mm {in) Valve stem-to-guide clearance mm (in) Guide projection (Height "A) mm {in) Seat angle IN EX Maximum IN EX IN 45" EX 45" Gartner Banana

TECHNICAL DATA TD BP DOHC 0.8-1.4 {0.0324.055) 45.0 (1.772) 46.5 11.831) Engine Item Seat contact width mm {in) Valve spring End gap (Measured in cylinder) mm {in) Seat sinking mm {in) Free length mm {in) Minimum length mm {in) Out-of-square mm {in) Camshaft bearing oil clearance mm {in} Ring groove width in piston mm {in) Standard Maximum Piston ring-to-ring groove clearance mm {in) IN EX IN EX IN EX Standard (No.1-No.5) Maximum 46.26 (1.821) 46.26 (1.821) 39.5 {I 56) with a set load of 224--253 N I22.8-25.8 kgf, 50.2-56.7 Ibf) 39.5 (1 56) with a set load of 224-253 N I22.8-25.8 kgf, 50.2-56.7 Ibf) 1.62 (0.0638) max. 1.62 (0.0638) max. Camshaft 0.035-0.081 {0.0014-0..0031) 0.1 5 (0.006) 0.03 {0.001 2) max. 0.07-0.1 9 {0.002~.0074) 0.20 {0.008) Camshaft runout mm {in) TOP Second Cam height mm {in) Camshaft end play mm (in) 0.15-0.30 {0.006-0.011) 0.15-0.30 {0.006--0.011) -- - I Standard Minimum Standard Minimum Standard (No.1-N0.5) IN EX Standard Maximum Oil (rail) Maximum I 1 .O {0.039) 44.094 {I .7360) 43.894 {I .7281) 44.600 11.7559) 44.400 {I .7480) 25.940-25.965 11.021 3-1.0222) Journal diameter mm Iin) Cylinder block 0.20-0.70 {0.00&0.027) TOD Second Oil 1.52-1 535 {0.0594--0.0604) 1.52-1.54 (0.0599--0.0606} 3.02-3.04 f0.11894.1196) Second Maximum 221.5 (8.720) 0.1 5 {0.006) max. 0.20 {0.008) max. 83.00&83.019 i3.2678-3.2684) 83.25683.263 {3.277&3.2780) 83.508-883.51 3 (3.2877-3.2879) 0.01 9 {0.0007} max. Height mm {in) Distortion mm (in) Grinding mm {in} 0.03-0.07 {0.00124.0027) 0.1 5 {0.006) Cylinder bore diameter mm {in] Standard size 0.25 {0.01) oversize 0.50 (0.02) oversize Piston , Cylinder bore taper and out-of-round mm {in) 82.95442.974 i3.2659--3.2666) 83.211-43.21 7 (3.2761-3.2762) 83.461-83.467 (3.2853--3.2860) 0.0324.059 {0.001 3--0.0023) 0.15 (0.006) Piston diameter Measured at 90" to Pin bore axis and 16.5mm i0.65 in) below oil ring groove mm {in) Standard size 0.25 {0.01) oversize 0.50 (0.02) oversize Piston ring Piston-to-cylinder clearance mm (in) Thickness mm {in) Standard Maximum TOP 1.47-1 -49 (0.0579--0.0586} Second 1.47-1.49 {0.0579--0.0586) Gartner Banana

TECHNICAL DATA TI) G. ENGINE ELECTRICAL SYSTEM )ark current*' - Engine tem Voltage V 3attery Type and capacity (5-hour rate) Starter -. . BP DOHC MT mA 1 20.0 AT Tvm Ignition system 12, Negative ground S46A24L(S) (32 Ah) Maintenance-free A.C. ST- Output V-A Regulator type Regulated voltage V 12-65 Brush length mm {in) Drive belt deflection mm {in) 17.5 (0.69) 12.0 (0.471 - -- r-- I I hPe Spark plug 1 2-70 Standard Minimum New Used Brush length mm {in) BKR6E-11 (Standard ... MT) NIPPONDENSO : K16PR-U11 K20PR-U11 (Standard ... MT, AT) TYW OU~DU~ V-kW Standard 1 17.0 I0.67) Minimum 1 11.5 10.451 1 Type Spark advance control Ignition timing*2 BTDC ("CA)/rpm Transistorized (built-in voltage regulator) 14.3-1 4.9 21.5 (0.85) 8 I0.31) 5.5-7.0 {0.22--0.27) 6.0-7.5 {0.24--0.29) . . I . . Electronic spark advance (ESA) Powertrain control module (engine) controls spark advance Ignition coil H. CLUTCH Direct lot850 TY ~e Primary coil winding a Secondary coil winding ks2 . .- - Engine Item BP DOHC 1 Coaxial reduction 10/800 Molded (with igniter) - 8.7-1 2.9 NGK : BKR5E-11 *I Dark current is the.constant flow of current while the ignition switch is OFF. (i.e. powertrain control module (engine), audio, etc.) '2 With System Selector (49 B019 9AO) test switch at SELF TEST. , Plug gap mm (in) Firing order 124.95 1 .O-1.1 {0.040--0.043) 1-342 Clutch control Runout limit mm {in) 1 0.2 (0.008) I 12-1.4 Hydraulic Clutch pedal TYP Suspended A .- 6.13 120 (4.72) 175--185 {6.89--7.28) 0.G3.1 (0.02-0.12) 68 I2.68) Pedal ratio Full stroke mm {in) Height (with carpet) mm (in} Free play mm {in} Distance to carpet when clutch fully disengaged rnm [in Minimum Gartner Banana

ST SPECIAL TOOLS DIFFERENTIAL rooL NUMBER a DESCRIPTION PRIORITY TOOL NUMBER~ DESCRIPTION PRIORITY ILLUSTRATION 49 F027 005 Attachment @62 Hanger, differential carrier Collar Adjustment wrench, side bearing 49 8531 565 Pinion model 49 GO30 338 Attachment E 49 F027 004 Attachment @80 Gauge body, pinion height 49 BOO1 795 Installer, oil seal 49 0305 555 Sauge block 49 U027 003 Installer, oil seal nstaller, rubber wshing Holder, coupling ilange Gartner Banana

GENERAL SERVICE INFORMATION VEHICLE DIMENSIONS d Measurement I I Overall height mm (in) I Overall length mm (in) Overall width mm (in) 3,948 (155.4) 1,676 (65.9) WHEEL ALIGNMENT Front wheel alignment (Unloaded*) 2,266 (89.2) 1,410 (55.5) 1,428 (56.2) Wheelbase mm (in) Rear wheel alignment (Unloaded*) Tread Total toe-in Front mrn (in) Rear mm (in) mm (in) degree Camber angle I 0'24' f 30' 3 + 3 (0.12 f 0.12) 0°18' + 18' Maximum steering angle Inner Outer I 37'23' f 2O 32O32' f 2O Caster angle * Fuel tank full; radiator coolant and engine oil at specified levels; and spare tire, jack, and tools in designated positions. 4O4Y f 45' 1 1°20' 3 * 3 (0.12 f 0.12) 0'18' + 18' King pin angle Camber angle Total toe-in -0'43' f 30' mm (in) degree Gartner Banana