Anyone know zxr250 valve clearances?

[Satch]

Hey all,

Just wondering if anyone can hook me up with zxr250 valve clearances, intake and exhaust.


Cheers

[shandawg]

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 :msn-wink:

[Satch]

thanks for that shandawg

i hadnt bin able to find anything must have been my searching technique,

have a good one