1986 Kawasaki 110 Three Wheeler Carb Dekni PZ19 Manual

The 1986 Kawasaki 110 Three Wheeler features the Dekni PZ19 carburetor, a critical component for optimal engine performance. This manual covers carburetor specifications, maintenance procedures, adjustment settings, troubleshooting, and repair guidelines specifically for the PZ19 carburetor model used in the 1986 Kawasaki 110 three-wheeler ATV. Below are comprehensive sections for proper carburetor operation and maintenance.

1. Carburetor Specifications 2. Installation Procedures 3. Basic Setup and Adjustment 4. Technical Specifications 5. Controls and Adjustment Points 6. Fuel System Connections 7. Maintenance Procedures 8. Performance Tuning 9. Cleaning & Care 10. Parts Information 11. Troubleshooting

Carburetor Specifications

Key components: PZ19 carburetor body, float chamber, main jet, pilot jet, needle valve, throttle slide, mixture screw, choke mechanism.

Component	Specification
Carburetor Model	Dekni PZ19
Main Jet Size	#95 (standard)
Pilot Jet Size	#38 (standard)
Needle Position	Middle clip (standard)
Float Height	14mm ± 0.5mm
Mixture Screw	1.5 turns out (standard)
Throttle Slide	Vacuum operated
Choke Type	Manual plunger
Fuel Inlet	6mm barb fitting
Venturi Size	19mm

Installation Procedures

Proper installation ensures optimal performance and prevents air leaks.

Mount carburetor: Align with intake manifold, secure with mounting bolts (8mm).
Connect fuel line: Attach fuel hose to 6mm barb fitting, secure with clamp.
Connect throttle cable: Route cable to throttle slide, adjust free play.
Connect choke cable: Attach to choke plunger mechanism.
Connect vent lines: Route overflow and vent tubes downward.

WARNING! Ensure all connections are tight to prevent fuel leaks and air intrusion.

Basic Setup and Adjustment

Initial carburetor setup for proper engine operation.

Set idle speed: Adjust throttle stop screw to 1200-1400 RPM.
Set air/fuel mixture: Turn mixture screw 1.5 turns out from lightly seated.
Check float level: Measure 14mm from float bowl gasket surface.
Verify choke operation: Ensure full engagement and disengagement.
Test throttle response: Check for smooth acceleration without hesitation.

CAUTION! Work in well-ventilated area; fuel is highly flammable.

Technical Specifications

Carburetor Model: Dekni PZ19
Venturi Diameter: 19mm
Main Jet: #95 (standard)
Pilot Jet: #38 (standard)
Needle Jet: O-0 type
Float Type: Brass, hinged
Fuel Level: 14mm below gasket surface
Throttle Slide: Vacuum operated with cutaway
Application: 1986 Kawasaki 110 Three Wheeler

Controls and Adjustment Points

Primary adjustment points for carburetor tuning and maintenance.

External Adjustments: Idle speed screw, mixture screw, throttle cable adjuster, choke cable adjuster.

Internal Components: Main jet, pilot jet, needle and clip, float and valve, throttle slide, choke plunger. Mixture screw: Controls idle and low-speed fuel mixture (standard 1.5 turns out). Idle speed: Adjust throttle stop screw for 1200-1400 RPM. Needle clip: Adjust for mid-range performance (middle position standard). Float level: Critical for proper fuel delivery (14mm standard).

Fuel System Connections

Proper fuel system routing and connections for PZ19 carburetor.

Fuel inlet: Connect fuel line from tank to 6mm barb fitting.
Overflow tube: Route downward away from engine components.
Vent tube: Ensure unobstructed airflow path.
Intake manifold: Check for cracks and proper sealing surface.
Air cleaner: Connect to carburetor intake bell.

Tip: Use fuel-resistant hose and secure all connections with clamps.

Maintenance Procedures

Regular maintenance ensures optimal carburetor performance.

Clean carburetor: Disassemble, soak in carb cleaner, blow out passages.
Inspect jets: Check for clogging, replace if damaged.
Check float: Ensure proper operation and no fuel absorption.
Verify needle and seat: Check for wear and proper sealing.
Lubricate linkages: Use light oil on throttle and choke mechanisms.
Check gaskets: Replace if damaged or hardened.
Verify synchronization: For multiple carb setups (if applicable).
Test operation: Verify smooth throttle response and proper idle.

WARNING! Wear safety glasses when using compressed air and carburetor cleaners.

Performance Tuning

Adjustment procedures for optimal performance under various conditions.

Altitude compensation: Lean mixture at high altitude, rich mixture at low altitude. Temperature adjustment: Richer mixture in cold weather. Main jet selection: Larger for modified engines, smaller for stock. Needle position: Lower for leaner mid-range, higher for richer. Pilot jet: Adjust for smooth idle and low-speed operation.

Cleaning & Care

Proper cleaning procedures to maintain carburetor function.

Use carburetor cleaner and compressed air. Soak metal parts in carburetor dip. Clean all passages and jets thoroughly. Use soft bristle brushes for delicate components. Blow dry with compressed air.

CAUTION! Do not use wire or sharp objects to clean jets; replace rubber components if hardened.

Parts Information

Genuine Kawasaki and aftermarket replacement parts availability.

OEM Kawasaki part numbers available through authorized dealers. Aftermarket kits include gaskets, jets, and hardware. Common replacement parts: Main jet #95, Pilot jet #38, Float valve assembly, Needle jet O-0, Throttle slide, Choke plunger, Complete rebuild kits.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Hard starting	Clogged pilot jet, improper choke	Clean pilot circuit; verify choke operation.
Poor idle	Dirty pilot jet, incorrect mixture	Clean pilot jet; adjust mixture screw.
Hesitation on acceleration	Clogged main jet, needle position	Clean main jet; adjust needle clip.
Flooding	Stuck float, worn needle valve	Check float operation; replace needle valve.
Poor fuel economy	Rich mixture, leaking float valve	Lean mixture settings; check float level.
Black smoke	Overly rich mixture	Check main jet size; adjust mixture screw.
Backfiring	Lean mixture, air leaks	Enrich mixture; check intake seals.
Rough running	Water in fuel, clogged jets	Drain fuel; clean carburetor thoroughly.

Reset: Return all adjustments to standard settings if troubleshooting fails.

Service: Consult authorized Kawasaki service center for complex issues.