Keihin 39mm PWK Carburetor

Keihin 39mm PWK Carburetor

Purchase Options
Part # K-39PWK Keihin 39mm PWK Carburetor (only) $259.00
Part # K-CR39-K Keihin 39mm PWK Carburetor Kit with CR $299.00 Throttle & Cable

Part # 01-604 Throttle Cable Honda TRX 250R Thumb to 39mm PWK Carburetor $28.50
Part # C-069 Throttle Cable Suzuki LT 250-500 Thumb to 39mm PWK Carburetor $19.95

All Carburetor Kits Are PreJetted by DRI
No company in the ATV industry has more carburation experience and offers better instructions and customer service than DRI
Optional Items:
DRI SUPER FLOW Carburetor Mod
DRI Carb Bore (40.5mm) and Super Flow
Part # K-JK01 Jet Kit
PYRAMID Reed Valve

Models: Honda ATC/TRX 250R & Suzuki LT 250R & Suzuki LT 500

Engine Modifications Recommended:
TRX 250-LT 250
Works with either stock or modified engines.
But performs best with modified engines running higher compression than stock

LT 500
Works well with either stock or modified engines.
Best if used when strong Midrange and Great Top End Power is needed

For LT 500 power is excellent across the entire power curve

Optional Upgrade Modifications:
DRI SUPER FLOW mod. Is a machining modification performed in house by DRI. Improved performance on all Keihin carburetors at all air speeds. Improved air flow efficiency.
Works well in all applications

Reed Cage & Intake Manifold Recommendations:
Stock intake manifold should be used.

Carburetor will perform BEST when used with PYRAMID REED VALVES

Air Box Requirements:
DRI strongly recommends using the stock OEM airbox with K&N Air Filter.
Air Box Lid Off
Jet Kit Optional but recommended Jet Kit is built around settings DRI puts in Carburetors.
Kit is supplied with Richer and Leaner: Pilot Jets, Needles, Main Jets, in a polypro box.

Keihin 39mm PWK Carb works best with PTR Pipe & Fat Boy Silencer. It will do very well with either the Midrange or High Rev Version

Information Required From Client To Properly PreJet Their Carburetors:
List of all Engine Modifications (porting, bore size etc.)
Pipe & Silencer
Air Filter & Box. Lid On or Off
Note if any Electrical Mods have been made
Kicking Compression (measured with engine cold)
Fuel Type and Octane-PreMix Brand/Ratio
Temperature & Humidity
Type of Riding
Throttle of Choice. Thumb or Twist.
Weight of Rider
Skill Level Of Rider

Best if used when strong Midrange and Great Top End Power is needed. All Carburetor Kits Are PreJetted by DRI.
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