CB650SC/Specifications: Difference between revisions
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| Line 117: | Line 117: | ||
!Large, (fuel tee) | !Large, (fuel tee) | ||
| || 7mm || 2mm || 2x | | || 7mm || 2mm || 2x | ||
|- | |||
!Thin, (breather tube tees) | |||
| || || || 4x | |||
|- | |- | ||
!Cly. head to boot couplings | !Cly. head to boot couplings | ||
Revision as of 20:33, 4 March 2025
| Type | Standard |
|---|---|
| Frame | RC13 (shared with CBX650E) |
| Displacement | 655 cc |
| Power | 72 bhp @ 9500 rpm |
| Dry Weight | 197.0 kg (434.4 lbs) |
| Top Speed | 233.4 km/h (145.0 mph) |
| 1/4 Mile | 12.13 s @ 174.50 km/h (108.43 mph) |
| Wheelbase | 1,461 mm (57.5 in) |
| Seat Height | 790 mm (31.1 in) |
Common Threads and Sizes
| Item | Size | # needed | Note |
|---|---|---|---|
| Engine Oil Drain (sump) bolt | M12x1.5mm | 1 | |
| Short hydralic banjo bolt | M10x1.25mm | 6 | Brakes and clutch |
| Double hydralic banjo bolt | M10x1.25mm | 1 | Brakes |
Engine
Oil
| Weight | Grade | w/ filter | w/o filter |
|---|---|---|---|
| SAE 10W40 | API SE-SF | 2.5L | 2.2L |
Carbs
Keihin VE54A
| Item | Spec | Note |
|---|---|---|
| Venturi | 29.2mm (1.15in) | |
| Type | VE | |
| Style | CV | (constant velocity) |
| Float | 18.5mm +/-1mm (0.61in +/-0.04in) | Non-adjustable |
| Idle | 1,100RPM +/-100RPM | |
| Throttle grip free-play | 2-6mm (0.08-0.24in) | |
| Fast Idle | 3,000RPM +/-500RPM | choke on |
| Needle marking | "79K" | |
| Choke type | By-starter |
O-rings
| Desc. | Part Number | I.D. | Thickness | Number |
|---|---|---|---|---|
| Small, (fuel tubes) | 6mm | 1.8mm | 4x | |
| Large, (fuel tee) | 7mm | 2mm | 2x | |
| Thin, (breather tube tees) | 4x | |||
| Cly. head to boot couplings | 91306-ME5-003 -> 91306-HA0-003 |
33.7mm | 2.6mm | 8x |
Carb Jets
| Part/Jet | Size | Part Number | Series | Length | Diameter (thread) | Diameter (head) |
|---|---|---|---|---|---|---|
| Main | #115 | 991013-931-150 -> 99101G-HB1-150 -> |
99101-393 or KR28 | 8mm | 4.9mm | 6mm |
| Slow | #35 | 99103M-A40-350 -> 99103G-Y60-350 |
N424-21(N424/21) or K26 | 28mm | 5.9mm | 4.9mm |
| Needle Holder | 16165-449-771 | |||||
| Needle Set (for Canada) | 16012-ME5-621 -> 16012-ME5-671 | |||||
| Idle Screw Set | 16016-ME5-671 -> 16016-KR3-671 -> | |||||
| Needle Shims | ID: 3.2mm | OD: 7mm | thickness: 0.5mm |
| Stage | Main | Slow | Needle shims 0.5mm (per each carb) | Note |
|---|---|---|---|---|
| 0 (OEM) | #115 | #35 | 0 | Stock |
| 1 | #118 | #35 | 1 | stock engine and with stock air intake and stock exhaust system |
| 2 | #120 | #38 | 1 | stock or lightly modified engine with improved air intake using stock air intake box and baffled aftermarket exhaust or lightly modified exhaust |
| 3 | #125 | #38 | 2 | stock or lightly modified engines with individual air intakes and baffled aftermarket exhaust system |
| 4 | #125 | #40 | 2 | modified engines with individual air intakes and non-baffled exhaust system (racing use only) |
| 5 | #130 | #40 | 2 | |
| Pro | #118, #120, #122, #125 and #128 | #38, #40 | 2 | experimenting with different engine, air intake and exhaust system |
Wheels
Construction: Cast Alloy
Tires
| Position | Size |
|---|---|
| Front | 100/90-19 (OEM: 3.50-19) |
| Rear | 130/90-16 |
Brakes
| Position | Type | Number | Size |
|---|---|---|---|
| Front | Disc | x2 | |
| Rear | Drum | x1 |
Suspension
Forks (Front)
- Showa
- Diameter: 39mm
- Type: leading-axle
- Adjust: air-adjustable
- Bushings: dual Syntallic
- Anti-dive: TRAC
Shocks (Rear)
- VHD
- Type: rebound damping
- Adjustable: four-way
- ↑ 1985 Honda CB 650 SC Specs on Ultimate Specs https://www.ultimatespecs.com/motorcycles-specs/honda/honda-cb-650-sc-1985