CB650SC/Specifications: Difference between revisions

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==Carb Jets==
==Carb Jets==
 
{| class="wikitable"
* Main: #115
!Part/Jet || Size || Part Number || Series || Length || Diameter (thread) || Diameter (head)
** 991013-931-150 -> 99101G-HB1-150 -> 99101M-AZ1-150
|-
 
!Main
* Slow: #35
|#115 || 991013-931-150 -> </br>
** 99103M-A40-350 -> 99103G-Y60-350
99101G-HB1-150 -> </br>
 
99101M-AZ1-150
* Needle Holder:
| 99101-393 or KR28 || 8mm || 4.9mm || 6mm
** 16165-449-771
|-
 
!Slow
* Needle Set (for Canada):
|#35 || 99103M-A40-350 -> </br>
** 16012-ME5-621 -> 16012-ME5-671
99103G-Y60-350
 
| N424-21(N424/21) or K26 || 28mm|| 5.9mm || 4.9mm
* Idle Screw Set:
|-
** 16016-ME5-671 -> 16016-KR3-671 -> 16016-MY6-770
!Needle Holder
| || 16165-449-771
|-
!Needle Set (for Canada)
| || 16012-ME5-621 -> </br>
16012-ME5-671
|-
!Idle Screw Set
| || 16016-ME5-671 -> </br>
16016-KR3-671 -> </br>
16016-MY6-770
|-
!Needle Shims
| || || || ID: 3.2mm || OD: 7mm || thickness: 0.5mm
|}


{| class="wikitable"
{| class="wikitable"
Line 174: Line 188:
|experimenting with different engine, air intake and exhaust system
|experimenting with different engine, air intake and exhaust system
|}
|}
* Needle Shims: ID: 3.2mm, OD: 7mm, thickness: 0.5mm
* Slow jet: N424-21(N424/21) or K26; Length: 28mm, Diameter (thread): 5.9mm, Diameter (head): 4.9mm
* Main jet: 99101-393 or KR28; Length: 8mm, Diameter (thread): 4.9mm, Diameter (head): 6mm


==Wheels==
==Wheels==

Revision as of 19:37, 3 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)

[1]

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

Carb Jets

Part/Jet Size Part Number Series Length Diameter (thread) Diameter (head)
Main #115 991013-931-150 ->

99101G-HB1-150 ->
99101M-AZ1-150

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 ->
16016-MY6-770

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
  1. ↑ 1985 Honda CB 650 SC Specs on Ultimate Specs https://www.ultimatespecs.com/motorcycles-specs/honda/honda-cb-650-sc-1985
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