Yamaha 2004 Rhino 660 YXR660FAS, Service Manual, Page: 38 / 421

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SPEC
ENGINE SPECIFICATIONS
Transmission
Main axle deflection limit ---- 0.06 mm
(0.0024 in)
Drive axle deflection limit ---- 0.06 mm
(0.0024 in)
Shifter
Shifter type Shift drum and guide bar ----
Air filter oil grade Engine oil ----
Carburetor
I. D. mark 5UG1 00 ----
Main jet (M.J) #150 ----
Main air jet (M.A.J) #70 ----
Jet needle (J.N) 6JPH9-53-2 ----
Needle jet (N.J) O-0M ----
Pilot air jet (P.A.J.1) #60 ----
Pilot air jet (P.A.J.2) 1.5 ----
Pilot outlet (P.O) 1.1 ----
Pilot jet (P.J) #40 ----
Bypass 1 (B.P.1) 0.8 ----
Bypass 2 (B.P.2) 0.8 ----
Bypass 3 (B.P.3) 0.8 ----
Valve seat size (V.S) 2.3 ----
Starter jet (G.S.1) #55 ----
Starter jet (G.S.2) 0.8 ----
Throttle valve size (Th.V) #105 ----
Float height (F.H) 13 mm (0.51 in) ----
Fuel level (F.L) 4.0 ~ 5.0 mm (0.16 ~ 0.20 in) ----
Engine idle speed 1,450 ~ 1,550 r/min ----
Intake vacuum 28.0 ~ 30.7 kPa
(210 ~ 230 mmHg, 8.27 ~ 9.06 inHg) ----
Oil pump
Oil filter type Foam ----
Oil pump type Trochoid ----
Tip clearance 0.15 mm (0.0059 in) 0.23 mm
(0.0091 in)
Side clearance 0.03 ~ 0.10 mm
(0.0012 ~ 0.0039 in) 0.17 mm
(0.0067 in)
Body clearance 0.09 ~ 0.17 mm
(0.0035 ~ 0.0067 in) 0.24 mm
(0.0094 in)
Bypass valve setting pressure 441.0 ~ 637.0 kPa
(4.41 ~ 6.37 kg/cm
2
, 62.7 ~ 90.6 psi)
----
Oil pressure (hot) 65 kPa (0.65 kg/cm
2
, 9.2 psi)
at 1,500 r/min
----
Pressure check location Cylinder head ----
Item Standard Limit