1984–2005 Kawasaki KLR250 Service Manual Supplement (P/N 99924-1051-01)

• Factory model application: Covers the 1985 KL250-D2. U.S. and Canadian machines begin at frame number *JKAKLMD1FA000001; the asterisk represents a VIN digit that varies by machine. Other-market machines begin at KL250D-000001**. Country-coded specifications distinguish Australian, Canadian, California, European, Swiss, South African, U.S., and West German configurations.
• Complete two-manual OEM set: 287 PDF pages total — KLR250 Motorcycle Service Manual Supplement P/N 99924-1051-01: 116 pages, first edition August 27, 1984; KLR600 Motorcycle Service Manual P/N 99924-1050-01: 171 pages. Kawasaki specifies that the KL250-D2 supplement must be used with this base manual.
• Engine and drivetrain repair coverage: Documents the Keihin CVK34 fuel system, liquid cooling, DOHC four-valve top end, KACR system, clutch, kick starter, engine lubrication and oil-pressure checks, engine removal, crankcase splitting, six-speed transmission, crankshaft, and balancer-chain timing.
• Chassis repair coverage: Covers wheel and bearing service, tire and rim inspection, drive-chain and sprocket work, front hydraulic and rear drum brakes, brake-fluid changing and air bleeding, front-fork disassembly and seal service, rear-shock adjustment, steering-stem overhaul, and rear-frame removal.
• Electrical diagnosis and repair: Provides battery condition and charging procedures, flywheel-magneto service, charging-system tests, CDI ignition checks, ignition timing, cooling-fan diagnosis, meter and gauge tests, switch and sensor inspection, wiring continuity checks, and harness-routing information.
• Factory reference material: Uses exploded assembly views with component-specific torque, lubrication, liquid-gasket, and locking-agent callouts, backed by service data, wear limits, adjustment specifications, electrical test values, a KL250-D2 wiring diagram, troubleshooting charts, and a unit-conversion table.

How the Supplement and Base Manual Work Together

This is not a stand-alone generic KLR250 repair book. The 16-chapter supplement records the parts, specifications, procedures, and exceptions unique to the KL250-D2, then directs the technician to exact KLR600 base-manual pages wherever the underlying operation is shared. The included base manual supplies those full core procedures, so the pair preserves Kawasaki’s intended workshop sequence without substituting later-model assumptions or aftermarket instructions.

The model-specific material goes well beyond a specification sheet. Fuel-system coverage includes throttle and choke cable inspection and adjustment, service fuel-level checks, carburetor work, air-cleaner and fuel-tank service, plus the California evaporative-emission system with canister, hose, liquid/vapor separator, and inspection information. U.S.-model notes identify the applicable muffler and spark-arrester cleaning work, while country symbols mark electrical, lighting, ignition, and performance differences elsewhere in the supplement.

Mechanical and Chassis Repair Depth

Top-end sections cover cam-chain tensioner service, camshaft removal and installation, cam timing, rocker arms and shafts, KACR inspection, compression measurement, cylinder-head removal and disassembly, valve-clearance adjustment, valve and seat repair, piston and ring inspection, and cylinder service. The engine-side and lubrication chapters continue with right- and left-cover work, clutch removal and inspection, external shift mechanism repair, primary gear and kick-starter service, oil-filter and oil-pump work, and oil-pressure testing.

For a complete lower-end repair, the set covers engine removal, crankcase separation and assembly, transmission removal and installation, shift-drum and shift-fork inspection, crankshaft removal and installation, connecting-rod and runout checks, and front and rear balancer service. Chassis procedures address front and rear wheel removal, axle and rim checks, wheel-bearing replacement, chain alignment and wear, sprocket and coupling service, brake caliper and master-cylinder work, rear brake assembly, front-fork oil and seal service, steering-stem bearings, and suspension adjustment.

Electrical coverage is equally practical. The supplement contains battery initial, ordinary, and test-charging procedures; flywheel removal and installation; loaded charging-voltage and stator tests; regulator/rectifier, ignition-coil, CDI, exciter-coil, pickup-coil, and diode checks; fan-system diagnosis; meter, tachometer, and temperature-gauge tests; and continuity-based wiring inspection.

Diagrams, Service Data, and Special Tools

Useful named references include the KL250-D2 Wiring Diagram, Ignition Timing/Engine Speed Relationship chart, Battery Charging Rate/Time Table, Balancer Chain Timing view, Drive Shaft/Output Shaft exploded assembly, and Wiring Routing drawing. The specification pages provide torque tables and tightening sequences, cooling-system pressure data, fluid and oil information, clearances, wear and runout limits, brake measurements, suspension settings, and electrical test specifications for the covered assemblies.

Factory-tool listings identify the equipment called for during major repair work. Examples include Fuel Level Gauge 57001-1017, Oil Pressure Gauge 57001-164 with Adapter 57001-1188, Crankshaft Installing Jig 57001-1174, Flywheel Holder 57001-1184, Flywheel Puller 57001-1196, Front Fork Oil Seal Driver 57001-1104, and Stem Bearing Remover 57001-1107.

The repair notes also flag several easy-to-miss assembly traps. Transmission circlips and splined washers have a required orientation, the output-shaft bushing oil hole must align with the shaft passage, and the balancer drive uses indexed punch marks and plated chain links. The flywheel section warns that striking the puller bar or magneto can bend the parts or reduce magnet strength; the wheel chapter warns against resting the front wheel on its brake disc. Removed oil seals are treated as replacement parts, with seal guides specified where an exposed shaft could cut the new sealing lip.

Cooling-system pressure work, brake bleeding, battery charging, supported-wheel or fork service, and internal engine repair require the correct test equipment, secure motorcycle support, and suitable workshop experience.