No photo of this model in the library yet.

Have this bike? Send a photo or the manual's service chart

Ohvale · Overhead-cam four-stroke single, wet sump, gearbox shares engine oil, chain drive

GP-2 160

Library entry covers 2024

35 factory 51 guideline

Published source

Ohvale Use and Maintenance manual, 18. Periodic Maintenance p.18

Factory owner's handbook. Covers Ohvale use and maintenance manual dated 01/04/2022 (2023 edition), covering GP-0 110 4S, GP-0 160 4S and GP-2 190 4S.

86 items for a 2024 model, grouped by interval the way a factory chart is laid out.

How this bike is built (what the schedule is based on)

Engine cycle: Four-stroke
Engine lubrication: Wet sump (oil in crankcase)
Oil filtration: Replaceable cartridge or spin-on filter
Valve gear: Overhead cam, screw/locknut adjusters
Ignition: Electronic (CDI / transistor / ECU)
Charging: Alternator / stator with rectifier
Battery: Wet cell (flooded lead-acid, needs topping up)
Fuel system: Fuel injection
Cooling: Air / oil cooled
Primary drive: Gear or chain inside engine, shares engine oil
Gearbox oil: Shares engine oil
Clutch control: Hand lever, cable
Final drive: Chain
Front suspension: Telescopic fork
Rear suspension: Swingarm, twin shocks
Front brake: Disc, hydraulic
Rear brake: Drum (or band / belt rim)
Wheels: Spoked, tubed
Sidecar: No sidecar

Maintenance schedule

2024 Ohvale GP-2 160

On the road: every 200 mi

1 item

Check engine oil level

Pre-ride / on the road

Guideline

Each fuel stop on old machines. Dry sump: check the tank hot, engine idling or just stopped, per your manual.

On the road: every 300 mi

3 items

Check lights, horn, brake light switches

Pre-ride / on the road

Guideline
Check tire pressures

Pre-ride / on the road

Guideline
Lubricate drive chain

Pre-ride / on the road

Guideline

Lube warm, ideally at the end of the riding day so it soaks in overnight. Sooner after rain.

On the road: every 600 mi

1 item

Check chain slack and rear wheel alignment

Pre-ride / on the road

Guideline

Every 1,000 mi or 6 months

2 items

Adjust rear drum brake and rod / cable linkage

Brakes

Guideline
Inspect tire tread, sidewalls and date codes

Wheels and tires

Guideline

Every 3,000 mi or 12 months

10 items

Check throttle cable(s) free play and return

Fuel and air

Guideline
Clean drive chain thoroughly (remove and soak, re-lube)

Final drive

Guideline

Non O-ring chains on old machines: remove, clean, soak in hot chain grease or lube, refit with the master link clip closed end leading.
Inspect chain and sprockets for wear (measure stretch)

Final drive

Guideline
Check steering head bearing adjustment

Front end

Guideline
Inspect fork seals, stanchions and fork boots

Front end

Guideline
Check footrests, pegs, rear brake and gear lever pivots

Rear suspension and frame

Guideline
Grease and check center / side stand and springs

Rear suspension and frame

Guideline
Check brake pads and discs

Brakes

Guideline
Check spoke tension and wheel true

Wheels and tires

Guideline
Check wheel bearings for play

Wheels and tires

Guideline

Every 4,000 mi or 12 months

3 items

Inspect, clean and gap spark plugs

Engine

Guideline
Adjust clutch free play, lubricate cable and lever pivot

Primary and gearbox

Guideline
Lubricate brake cam spindles, check linings and drums

Brakes

Guideline

Every 5,000 mi or 12 months

2 items

Change engine oil

Engine

Guideline

Pre-1970 machines: many owners run non-detergent or classic-spec oil with no filter, so short intervals matter. Dry sump: drain the tank and the crankcase/sump, flush the tank and clean the feed and return screens.
Replace oil filter

Engine

Guideline

Every 6,000 mi or 12 months

6 items

Clean / inspect air filter

Fuel and air

Guideline

Mesh or oiled foam: clean and re-oil. Paper: blow out or replace. Some very early machines have no filter at all.
Check charging voltage and regulator / cut-out

Ignition and electrics

Guideline
Check swingarm bushes for play

Rear suspension and frame

Guideline
Inspect rear shocks for leaks and damping

Rear suspension and frame

Guideline
Lubricate control cables and lever pivots

Controls and cables

Guideline
Lubricate speedometer / tachometer cables, check drive

Controls and cables

Guideline

A dry speedo cable whips the needle and eventually kills the instrument.

Every 8,000 mi or 2 years

1 item

Check and adjust valve clearances

Engine

Guideline

Every 10,000 mi or 2 years

1 item

Compression test (or leak-down)

Engine

Guideline

Every 12,000 mi or 2 years

3 items

Replace air filter element

Fuel and air

Guideline
Synchronize throttle bodies

Fuel and air

Guideline
Grease swingarm pivot

Rear suspension and frame

Guideline

Every 15,000 mi or 3 years

1 item

Change fork oil

Front end

Guideline

Some early telescopic forks are grease filled or use very small oil quantities. Check your manual.

Every 15,000 mi

1 item

Replace brake linings / skim drums (wear based)

Brakes

Guideline

Every 16,000 mi or 4 years

1 item

Replace spark plugs

Engine

Guideline

Every 18,000 mi

1 item

Replace chain and sprockets (wear based)

Final drive

Guideline

Every 20,000 mi or 4 years

2 items

Repack / replace steering head bearings

Front end

Guideline

Many old machines use loose balls in cups and cones. Taper roller conversions are common.
Repack / replace wheel bearings

Wheels and tires

Guideline

Cup-and-cone and taper roller hubs need periodic repacking and adjustment.

Every 24,000 mi or 4 years

1 item

Replace fuel filter

Fuel and air

Guideline

Every 25,000 mi or 6 years

1 item

Replace swingarm bushes / bearings

Rear suspension and frame

Guideline

Every 30,000 mi or 6 years

1 item

Rebuild forks: seals, bushes, springs

Front end

Guideline

Every 3 h

1 item

Chain lubrication

Final drive

Factory

Factory: Lubricate the chain every 3 hours of use (section 13.1)

Every 10 h

15 items

Engine Oil

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. S (substitute) after running-in; S (substitute) every 10 h. Check the level after race.
Engine Oil Filter

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. S (substitute) after running-in; S (substitute) every 10 h
Oil Radiator

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 10 h; S (substitute) if necessary. Check for leaks and wear of pipes.
Spark Plug

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; S (substitute) every 10 h; S (substitute) if necessary
Throttle Command

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 10 h
Tightening Bolts & Nuts

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 10 h. See table TIGHTENING TORQUES.
Valve Clearance

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 10 h. Check with cold engine.
Air Filter

Fuel and air

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. P (clean) every 10 h; S (substitute) every 20 h; S (substitute) if necessary. Use air filter oil or equivalent.
Carburetor

Fuel and air

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C+P (control and clean, plus clean) every 10 h
Fuel System

Fuel and air

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 10 h. Check pipes, gas tap and carburetor.
Clutch

Primary and gearbox

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 10 h; S (substitute) if necessary. Inspect clutch bell, discs and clutch springs.
Clutch Command

Primary and gearbox

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 10 h; S (substitute) if necessary
Brake Fluid

Brakes

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 10 h; S (substitute) every 20 h. Check level.
Brake Pads

Brakes

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 10 h; S (substitute) if necessary. Check wear.
Brake System

Brakes

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 10 h; S (substitute) if necessary. Check brake discs and hoses. Revise if necessary.

Every 20 h

7 items

Internal Net Oil Filter

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. P (clean) every 20 h
Pinion & Sprocket

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 20 h; S (substitute) if necessary. Check teeth wear.
Timing Chain - Gears

Final drive

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 20 h; S (substitute) every 40 h. Check wear of chain and teeth.
Transmission Chain

Final drive

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. L+R (lubricate and register) after running-in; S (substitute) every 20 h
Front Fork

Front end

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 20 h. Check for oil leaks.
Steering Bearings

Front end

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 20 h. Lubricate and if necessary register every hour of use.
Flywheel Nut

Wheels and tires

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) after running-in; C (control and clean, register, lubricate) every 20 h; S (substitute) if necessary. Maximum tightening torque 50Nm (35 lbft).

Every 40 h

10 items

Cam Shaft

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 40 h; S (substitute) if necessary. Inspect cams surfaces.
Carter

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 40 h
Cylinder

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 40 h; S (substitute) if necessary. Inspect for scratches. Check wear.
Engine Head

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C+P (control and clean, plus clean) every 40 h; S (substitute) if necessary. Check valve seats and clean carbon deposits. Change gasket.
Engine Shaft

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 40 h; S (substitute) if necessary. Check connecting rod and bearings.
Piston

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. S (substitute) every 40 h
Piston Pin

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. S (substitute) every 40 h
Piston Rings

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. S (substitute) every 40 h
Valve Springs

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 40 h; S (substitute) if necessary. Check length.
Shift-Gears-Shift Forks-Desmo

Front end

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) every 40 h; S (substitute) if necessary. Check the wear of gears and forks.

Every 6 months

1 item

Clean battery terminals, check charge and strap

Ignition and electrics

Guideline

Every 2 years

3 items

Inspect wiring, bullet connectors and ground points

Ignition and electrics

Guideline
Inspect frame, welds and lugs for cracks

Rear suspension and frame

Guideline
Replace brake fluid

Brakes

Guideline

Every 4 years

3 items

Replace fuel lines

Fuel and air

Guideline

Old rubber and modern ethanol fuel do not mix well.
Inspect brake hoses; replace old rubber

Brakes

Guideline
Rebuild calipers and master cylinders (seals)

Brakes

Guideline

Every 6 years

2 items

Replace inner tubes and rim tape with tires

Wheels and tires

Guideline
Replace tires on age (regardless of tread)

Wheels and tires

Guideline

No interval set

2 items

Recovery Tank

Engine

Factory

Factory: Periodic maintenance table columns: after running-in, every 10 h, every 20 h, every 40 h, if necessary. C (control and clean, register, lubricate) if necessary. Check and empty if necessary.
Wheels and tires

Wheels and tires

Factory

Factory: In case of tires replacement always check the sliding and clearance of the bearings

Guideline lines: Intervals here are general guidelines for the machine's era and layout, compiled for this app. They are not factory manual figures. Check your workshop manual, and edit any interval in the bike's Schedule tab.

Keep up with this schedule on your phone

Add the bike in the app and this chart loads itself, ready to log against and edit.

Coming soon to Google Play