80
(6,000 miles) (6,000 miles) 220cc. of hydraulic jack oil (or
mixture of 70 parts of Spindle oil
SAE #60 to 30 parts of # 30 motor
oil)
SERVICE STANDARDS
I. CYLINDER COMPRESSION STANDARD MINIMUM
50, 60 Spt: 90 : 110 P.S.I. 120 P.S.I. 90 P.S.I. 100 P.S.I.
175 DT: 120 P.S.I. 100 P.S.I.
II. PISTON CLEARANCE MAXIMUM MINIMUM
50, 60 Spt: .005 in. .0025 in.
90/T, 90/M, 90 Std: .006 in. .003 in.
90 Spt: .003 in. .001 in.
175 DT: .003 in. .001 in.
III. RING GAP MAXIMUM MINIMUM
.020 in. .006 in.
IV. CONTACT POINT GAP MAXIMUM MINIMUM
.016 in. .012 in.
V. CONDENSER CAPACITY 0.3 uF
VI. FRONT FORK OIL CAPACITY
50, 60 Spt: 6 oz. Hydraulic Jack Oil
90 : 6 ½ – 7 oz. Hydraulic Jack Oil
175 DT: 7 ½ – 8 oz. Hydraulic Jack Oil
VII. TRANSMISSION OIL CAPACITY
50/60 Spt, 90: 21 oz.
175 DT: 25 oz.
VIII. SPARK PLUG RECOMMENDATIONS STANDARD
50 Spt: NGK B-7
60 Spt: NGK B-8
90 Std/90 Spt: NGK B-7H
90 T : NGK B-7H
90 M : NGK B-7HZ
175 DT: NGK B-8H
IX. TIRE PRESSURE 24-26 lbs. Front
26-30 lbs.-Rear
X. CRANKSHAFT END-PLAY MAXIMUM MINIMUM
.020 in. .003 in.
XI. CLUTCH ADJUSTMENT d"- 5/8" free play at clutch lever end
XII. OIL PUMP ADJUSTMENT
90cc: w/throttle closed, oil pump outer cable should have 1/16" of free play
before it moves control arm
175DT: at maximum open throttle, adjustment should allow space of l/8" between
control arm and stop pin.
XIII. CHAIN ADJUSTMENT d" slack, up or down
XIV. FLOAT LEVEL
50/60 Spt, 90/T, 90/M, 90 Std: 25/32" (1/32" above ¾") 15mm carburetor
90 Spt, 175 DT: 23/32" (1/32" under ¾") 17mm carburetor
XV. FRONT BRAKE ADJUSTMENT d" – ¾" free play at lever end before brake acts.
XVI. REAR BRAKE ADJUSTMENT ¾" – 1¼" brake pedal depression before brake acts.
XVII. TORQUE SETTINGS
Cyl. Head Nuts ........... 125 in./lb. (140 in./lb. – 175 DT)
Pinion Gear Nut .......... 250 in./lb.
Clutch Nut .............. 110 in./lb. (50, 60 Spt)
120 in./lb. (90 cc)
130 in./lb. (175 DT)
Clutch Thrust Plate Bolts .. 45 in./lb.
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