Hey all,
Just wondering if anyone can hook me up with zxr250 valve clearances, intake and exhaust.
Cheers
Hey all,
Just wondering if anyone can hook me up with zxr250 valve clearances, intake and exhaust.
Cheers
I got this stuff off the net so all care etc..
Engine
• Cylinder compression kPa (kg/cm^2, psi): 980 - 1,500 @ 330 r/min (10.0 - 15.3, 142 - 218)
• Valve Timing
• Inlet
• Open (BTDC): 46
• Close (BTDC): 74
• Duration: 300
• Exhaust
• Open (BBDC): 60
• Close (ATDC): 36
• Duration: 276
• Valve Clearence (when cold) mm (in)
• Inlet: 0.15 - 0.24 (0.0010 - 0.0020)
• Exhaust: 0.20 - 0.29 (0.008 - 0.011)
• Ignition Timing (BTDC)
• Crank Angle (deg / r/min): 23/1,500 - 50/5,000
• Piston and cylinder clearance mm (in): 0.025 - 0.052 (0.0010 - 0.0020)
• Collant capacity l. (US qt): 1.2 (1.3)
Transmission and Clutch
• Transmission oil type (engine oil): SE or SF class, SAE 10W40
• Transmission oil (engine oil) capacity L (US qt)
• When oil filter is not changed: 2.1 (2.2)
• When oild filter is changed: 2.55 (2.7)
• Clutch lever play mm (in): 2 - 3 (0.08 - 0.12)
Carburetor
• Main jet: #1, 4 122 and #2, 3 125
• Needle jet: 6
• Jet needle: N76U
• Pilot jet: 35
• Pilot screw or air screw (turns backed out): 2 1/2
• Service fuel level (from edge of carburetor body to fuel level) mm (in): Below mark - 9.5 (0.37)
• Engine vacuum synchronisation (difference each cylinder under) kPa: 2.7 (2.0)
• Idling speed r/min: 1,400-1,500
• Throttle grip play mm (in): 2 - 3 (0.08 - 0.12)
Electrical Equipment
• Battery
• Type: FB9L-A2
• Capacity: 12 V 9 Ah
• Spark plug
• Type: NGK CR9E or ND U27ESR-N
• Spark gap mm (in): 0.7 - 0.8 (0.028 - 0.023)
• Charging rate (night @ 4,000 r/min)
• Voltage V: 14.5
• Current A: 4.5
Alternator rated output A/V @ r/min: 22/14 @ 8,500
Hope this helps![]()
thanks for that shandawg
i hadnt bin able to find anything must have been my searching technique,
have a good one
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