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Thread: Anyone know zxr250 valve clearances?

  1. #1
    Join Date
    24th August 2004 - 19:34
    Bike
    05 Yamaha YZF R1T
    Location
    Norf
    Posts
    179

    Anyone know zxr250 valve clearances?

    Hey all,

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


    Cheers

  2. #2
    Join Date
    15th April 2004 - 13:13
    Bike
    VFR400 NC30
    Location
    Auckland City
    Posts
    137
    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

  3. #3
    Join Date
    24th August 2004 - 19:34
    Bike
    05 Yamaha YZF R1T
    Location
    Norf
    Posts
    179
    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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