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1986 Honda CB700SC Carburetor Needles & Jets

Carburetor parts for the 1986 CB700SC should be selected from the fitted carburetors and existing specifications. The needle is supplied on its own, the pilot pack contains four number 35 jets and the main-jet assortment provides several sizes. Distinguish repair needs from deliberate metering changes.

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Honda CB1000 CB900 CB750 CB700 ultimate performance main jet kit

Honda CB1000 / CB900 / CB750 / CB700 Ultimate Performance Main Jet Kit

$64.95 USD
48-2112
Cover every tuning scenario with this Ultimate Performance Main Jet Kit. Includes a total of 44 main jets for Keihin carbs. Use this jet...
Honda CB1100 CB1000 CB900 CB750 CB700 carb float needle 16155-413-751

Honda CB Carb Float Needle ~ Replaces 16155-413-751

$8.95 USD
48-5011
Replace your DOHC CB float needle (only) with this Float Needle, replacing OEM #16155-413-751.Key Features• Float needle (only)• Replaces OEM #16155-413-751• Honda part name:...
Honda CB1000 CB900 CB750 pilot jet set size 35 (pk 4) 99103-GY6-0350

Honda CB Pilot Jet Set ~ Size #35 (Pk/4) ~ Replaces 99103-GY6-0350

$14.95 USD
73-1004
Refresh your low-speed performance with this Pilot Jet Set of 4 in size #35, replacing OEM #99103-GY6-0350.Pilot jets handle your idle and low-speed operation...
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1986 Honda CB700SC · Carburetor Needles & Jets Buying guide

Keep float-valve repair separate from jet tuning

The 1986 CB700SC factory carburetor data lists a number 115 main jet and number 35 slow jet. Those are a stock baseline for the specified carburetors, not a tune for every modified bike. Identify the fitted bank and its jet series before replacing calibrated parts.

Parts to consider

Honda CB Carb Float Needle ~ Replaces 16155-413-751 Float needleNeedle-only replacement for reference 16155-413-751.View part Honda CB Pilot Jet Set ~ Size #35 (Pk/4) ~ Replaces 99103-GY6-0350 Number 35 pilot jetsFour pilot jets in size number 35; compare the fitted carburetors and existing jet specification.View part Honda CB1000 / CB900 / CB750 / CB700 Ultimate Performance Main Jet Kit Keihin main-jet assortment44 jets: four each of sizes 100, 102, 105, 108, 110, 112, 115, 118, 120, 122 and 125.View part

Identify which needle is being replaced

The selected reference 16155-413-751 is the float-valve needle at the fuel inlet, not the long metering needle in the vacuum piston. It is supplied without a float, seat or bowl gasket. Inspect the float level and valve/seat condition before ordering. The listed rebuild kit for earlier CB700SC years stops at 1985 and is not established for this 1986 application.

Use stock jet sizes as a documented starting point

Honda identifies the stock carburetors as VE65A, or VE77A for California, and lists number 115 main and number 35 slow jets. The pilot pack contains four number 35 jets. The main-jet assortment offers eleven sizes, four of each, from 100 through 125. Match the jet family and diagnose float, air-leak and synchronization problems before changing sizes; altered intake or exhaust equipment needs its own tuning assessment.

Buying questions

Is the float needle the same part as the jet needle?

No. The float needle opens and closes the fuel inlet to the bowl. The jet needle sits in the vacuum piston and meters fuel through a different circuit. Match the failed component before ordering; a float-needle replacement is not a way to alter the tapered metering needle.

Are the factory jet sizes still right after intake or exhaust changes?

Honda’s number 115 main and number 35 slow jets are the stock baseline for the specified CB700SC carburetors. A different intake or exhaust needs an assessment of the actual carburetor series, engine setup and tuning results. The 44-piece kit supplies alternative main-jet sizes; its contents do not prescribe the correct combination for a modified bike.

Which carburetor is the reference when synchronizing the bank?

Honda uses number 2 as the fixed reference; it is not adjusted during synchronization. The other carburetors are compared with it using vacuum gauges at normal operating temperature. Follow the manual’s fuel-valve vacuum arrangement, and recheck idle speed after adjustment.

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