MZ Baghira 660 Technical Data, Service Specifications, Alternative Parts

MZ Baghira 660

Technical Data and Service

Alternative Parts

Engine Type Bore x stroke Compression ratio Maximum power Maximum torque	Yamaha 4NN (YF) (LC 4S 1) 4-stroke, liquid-cooled, single cylinder 16° forward, SOHC 5 valve chain-driven, dry sump lubrication. 100 x 84 mm 9.2 +-0.4 : 1 37 kw (50 hp) at 6500 rpm 57 Nm at 5250 rpm

Dry weight	173/180 kg
Wheelbase	1530 mm (60.2 inches)
Rake / trail	26.8 degrees / 94 mm

Front suspension	Marzocchi Magnum 45mm telescopic fork 14 adjustments (Martzsoch, MP Racing) Oil SAE 7.5 - SAE 10 Oil level: 135 mm (ca. 580 ml) (Street Moto) 150 mm (ca. 700 ml) (Street Moto HR) oil seals : 45-58-11 (45x58x11 mm) dust seals : 45 58.4 4.6 14 mm (45 ID, 58.4 OD, 4.6 seated depth, 14 height) bushings : inner (stanchion) : 45x20x1 mm outer (slider) : 45x25x2.5 mm (As listed by Race Tech for both USD and conventional Marzocchi 45mm forks.) spring spacers: OD = 38, ID = 32, L = 50 mm

Rear suspension	WP monoshock mounting bolts, center to center Baghira Enduro, Baghira Street Moto : 425 mm Baghira HR, Baghira Street Moto HR, Mastiff : 412 mm spring length, spring rate Baghira Enduro, Baghira Street Moto : 260 mm 75 Nm Baghira HR, Baghira Street Moto HR, Mastiff : 240 mm 85 Nm

Front brake Rear brake	Grimeca 282mm single disc, Grimeca 2 piston floating caliper Grimeca 245mm single disc, Grimeca 1 piston floating caliper Front brake disc: Yamaha YZF-R1 (298 mm) 1999-2002 1999 part# 4SV-2581T-00-00 2000 part# 5JJ-2581T-01-00 2001-2003 part# 5JJ-2581T-11-00 OD 298 mm ID 132 mm bolt PCD 150 mm (Also YZF-R6, XJR1300, FJR1300.) Brake pads: front rear Ferodo FDB782 FDB828 EBC FA177 FA173 Vesrah VD-982 VD-425 SBS 681 684 Braking 740 743 Aprilia 8113456 8113595, 8113375 Rear brake light switch: KTM LC4 -98 Front brake light switch: BMW part# 61 31 1 244 070

Front tyre Rear tyre	120/70-17 3.50 160/60-17 4.50

Fuel capacity reserve	12.5 litres 2.5 litres

Valve clearance (cold)	intake : 0.10 - 0.15 mm (0.004” - 0.006”) exhaust : 0.15 – 0.20 mm (0.006” – 0.008”)

Spark plug	NGK DPR8EA-9 gap 0.8 - 0.9mm NGK DP 8 EA-9 (standard) NGK DPR 8 EA-9 (standard, resistor) NGK DP 8 EV-9 (fine) NGK DP 8 EVX-9 (Platinum) NGK DPR 8 EVX-9 (Platinum) NGK DPR 8 EIX-9 (Iridium) DENSO X24EP-U9 (standard, resistor) DENSO X24EPR-U9 (standard) DENSO X24EP-ZU9 (Platinum, resistor) DENSO X24EPR-ZU9 (Platinum) DENSO IX24B (Iridium) DENSO IXU01-24 (Iridium, racing) Autolite 4164 (standard) Autolite MP4164 (Platinum) Champion RA8HC (standard) Champion 8812 (fine wire) http://www.sparkplugs.com/ for explanation of spark plug codes
Oil filter	Yamaha part# 4X7-13440-90 Perf-form J-511 Purolator PremiumPLUS ML16805 Twin Air 140010 Fram CH6005
Air filter	Note: All cross-references based on Twin Air OEM filter being that used for the KTM models listed here under Twin Air. Twin Air (OEM) http://www.twinair.com/ 154512 (KTM 400 LC4 93-99, 600 LC4 93-99, 620 LC4 94-99) UniFlow / Unifilter Australia http://www.uniflow.com.au/ NU 1405ST (KTM 600 LC4 93; 400 LC4, 620 LC4, 640 LC4 93-01) (unconfirmed) Moose http://www.mooseoffroad.com/ M762-50-02 www.mooseoffroad.com/pdf/AirFilters05.pdf (KTM 400 LC4 93-99, KTM 620 LC4 94-96)
Carburetor	YDIS (Yamaha Dual Intake System) primary carburetor : Teikei CV 23mm secondary carburetor : Teikei CV 35mm (36mm ?) Primary opens 7 mm before secondary begins opening. Air screw 2.5 turns out Float height 25 - 27 mm Kraftstoffstand 6.0 - 8.0 mm to float chamber interface Primary Secondary main jet #130 #165 needle 5D93-3/5 5x7c-3/5 needle jet V-00 Ø 2.7 pilot jet #48 -- Yamaha SZR 660 (1995) carburetor identification initials 4SU-00 Primary Secondary main jet #140 #165 main air jet Ø 1.0 Ø 1.0 needle 5D96-3/5 5x7c-4/5 needle jet V-00 Ø 2.7 pilot air jet Ø 0.6 pilot jet #50 pilot output 0.8 bypass Ø 1.0 pilot screw ca. 3 turns open valve seat Ø 2.5 starter jet #76 fuel level 6.0 - 8.0 mm to float chamber interface float height 25.0 – 27.0 mm suction pressure at engine idle speed 26.6 – 34.6 kPa (200-260 mmHg) Yamaha XT 600 (1995-) Same carbs; some very minor differences noticed in parts diagrams. Yamaha XT600 1995 part numbers: primary main jet #120 : 288-14343-60-00 #130 : 288-14343-65-00 (STOCK) #140 : 288-14343-70-00 primary pilot jet #48 : 43F-14342-24-00 plunger, starter: 2KF-14371-01-00 (to replace cable operation with plunger/knob operation) Keihin 99101-393-xxx main jet for primary carb: small round slotted main jets, 5 x 0.75 mm thread Have been used in the primary carb but are not exactly the same dimensions as the stock hex jets.
Ignition	CDI Yamaha XTZ 660, Yamaha SZR 660. Yamaha SZR 660 (1995): NIPPONDENSO TNDF19 maximum ignition advance (BTDC) 38° at 6500 rpm minimum ignition advance (BTDC) 12° at 1300 rpm Yamaha TDM 850 (3VD, not 4TX.) (rev limiter set to 8400, ignition advance earlier at 38° to 42°) ignition coil NIPPONDENSO JO268 primary winding resistance: 3.4~4.6Ω at 20°C secondary winding resistance: 10.4~15.6kΩ at 20°C resistance: 10kΩ at 20°C
Alternator	NIPPONDENSO TLMZ551 nominal output: 14V 24.5A at 5000 rpm stator coil resistance: 0.20~0.30Ω at 20°C
Regulator/Rectifier	SHINDENGEN SH569 voltage regulator: type: short circuit semiconductor not charged adjusted voltage: 14.2~15.2V rectifier: capacity: 25V resistance voltage: 240V
Battery	12V 9Ah dimensions: ? mm x ? mm
Starter	starter motor MITSUBA SM-13 output: 0.8kW starter relay HITACHI MS5D-1911 100A
Clutch	Clutch friction plates Yamaha XTZ660, XT600 >= 1999, XT660 R, XT660 X.
Instrument cluster	Husqvarna TE 610-E, SM 610-S 200-2001 speedometer part# 8000-92346 tachometer part# 8000-92344
Ignition switch	ZADI Q933 KTM LC4 640, BMW F650 1999, Aprilia Pegaso.
Neutral switch	Yamaha part# 4KM-82540-00-00
Headlight	various KTM 640 LC4, Husqvarna, Husaberg models.
Indicators	Ducati 748, 916, 996, 998, Monster. Triumph sportbikes 1994-2004. various KTM 640 LC4, Husqvarna, Husaberg models.
Fuel tank cap	Acerbis Universal Large cap, part# 2070749999
Radiator guards Radiator cap	KTM 640 LC4 Adventure models: part# 58035034000 L/S Radiator SC part# 58035134000 R/S Radiator SC part# 50235033300 Snap Nut (4) part# 0014060153 HH Collar Screw M6x1? (4) 1.40
Sprockets, chain	chain size 520 Street Moto: stock front 15 tooth, rear 43 tooth, 110 links. Enduro : stock front 15 tooth, rear 45 tooth, 114 links. rear OEM part# 9014285000 = 45 tooth part# 9014286000 = 43 tooth front sprocket: Yamaha XT 600, XTZ 660, SZR 660, SRX 400. rear sprocket : Yamaha XT 550, XT 600, XTZ 660, XV 250, XV 125. JT Sprockets http://www.jtsprockets.com/ JT front sprocket # JTF577.14 JT rear sprocket # JTR857.45 JT rear sprocket # JTA857.45 (aluminium alloy) (last 2 digits specify number of teeth) Renthal sprockets http://www.renthal.com/ front: 342U-520-xx 14-16 tooth (Yamaha XT 600 1987-2003, XTZ 660 1991-1998, SZR 660) rear: 200U-520-xx 36-50 tooth (Yamaha XT 600 1987-2003, XTZ 660 1991-1998, TTR 600 2004)
Handlebar	mount, rubber cones Honda CRF part# 53133-KA3-832 (much firmer)
Crankshaft main bearings	6307 C3 alternative on drive side NU 307 ECJ
valve cover o-rings intake exhaust	Yamaha XTZ 660 part# 93210-71360-00 Yamaha XTZ 660 part# 93210-32172-00

Various Sizes and Dimensions

Grimeca brake caliper bleeder size Grimeca brake caliper banjo bolt front brake pad pins	M10*1 x 20 M8 x 45 (8mm threaded) Allen
Grimeca front brake disc hole ID for speedo magnet	7mm
Front brake disc carrier mount on wheel hub Distance between bolts / lochabstand ID / innendurchmesser	150mm 132mm
Front brake caliper mount on fork slider Distance between bolts	40mm

ID of fork triple clamp tube for front stand pin	18mm
ID of fork sliders bottom for front wheel stand pin	17mm
Handlebar mounts M10 center to center	95mm
Clutch cable adjuster	M8x1 (fine) cable sheath OD ?mm

Crankcase breather hose ID Crankcase breather airbox fitting OD	12mm 15.5mm
Carburetor vent tube ID	3/16” (4.8mm)

Exhaust header copper gasket	OD 42mm ID 32mm 3mm thick
Exhaust header tube OD	32mm
Exhaust connector pipe OD	50mm
Exhaust gap between collector inlet tubes at slits	4.0–4.5mm

Engine oil drain plug	M14 (13.8mm) x 1.5 x 15mm
Lower oil pipe (frame downtube) sealing ring	16x20x1.5 A (2)
Lower oil pipe o-ring	11x2-WS 12.097RR (1)
Upper oil pipe banjo bolt sealing rings	14x18 Cu (2)
Upper oil pipe banjo bolt	M14x1.5x30
Upper oil pipe o-ring	15x2-WS 12.097RR (1)
Oil filler cap o-ring	20x3-WS 1.957RR (1)













lift stand width to fit lower frame tubes

Appendix 1

Document History

2010-07-01

Added specs of Yamaha SZR 660 (1995) carburetor

Added details of Yamaha SZR 660 (1995) CDI unit and ignition coil

Changed document to html with subfolder instead of .mht so it can be opened with browsers other than IE.

2010-07-10

Added Grimeca brake caliper banjo size

2010-07-21

Added wheel rim width

Updated brake pad part numbers

2012-09-08

Added valve cover o-ring Yamaha part numbers

2012-10-20

Added regulator/rectifier

Added radiator cap

Added front brake light switch

2012-10-25

Added starter motor, starter relay, alternator.

Corrected regulator/rectifier from Yamaha SZR 660 to MZ 660