Dnepr MT10-36 - Design, Operation and Adjustment of Motorcycle Basic Units; Crank Gear

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To

avoid

the

engine

overheating,

it

is

not

advisable

to

make

long

non-stop

travels

or

to

ride

at

a

speed

exceeding

the

permissi

.ble li-

mits.

Particular

attention

should

be

given

to

the

lubrication

of

the

en-

gine,

gear

box

and

main

drive.

After

first

500 km,

drain

the

used

oil,

wash

out

the

casings,

remove

a

nd

wash

the

engine

oil

pan

and

pour

fresh

oil

into

the

engine,

gear

box

and

main

drive

·up

to

the

required

level.

At

the

end

of

the

running-in

period

(after

2500

km)

replace

oil

in

all

mentioned

units.

After

the

running-in

period

(up

to

2500

km)

it

is

good

practice

to

wash

the

wheel

bearings

and

replenish

th

e

lubricant.

After

first

2500 km, it

is

not

advisable

to

under

take

long

travels

at

maximum

e

ng

ine

speed.

The

following

maximum

permissible

speeds

must

n

ot

be

exceeded:

in

first

gear-

20, in

second-

40,

in

third-

70, in

fourth

- 105

km/hr.

Riding

at

these

speeds

must

be

short-time

(not

more

than

2

to

3

min).

T:he

recommended

operating

speed

for

the

mo'torcycle

that

has

been

subjected

to

running-in

shonld

be

equal

to

60-70

km/h,

when

moving

over

an

improved

road.

During

the

running-in

period

do

not

fail

to

periodically

check

the

tightening

of

the

frame

steering

column

radial

bearings.

No

radial

pJ

.

ay

in

the

radial

bearings

is

admissible.

Following

t

he

taking-up

of

the

play

the

front

fork

sho

uld

freely

rotate

in

the

bearings

to

both

sides

up

to

the

stop.

DESIGN,

OPE~ATION

AND

ADJUSTMENT

OF

MOTO~CYCLE

BASIC

UNITS

ENGINE

As

r

egards

its

design

specifications

and

technical

characteristics,

this

engine

(Figs

5, 6, 7)

is

classified

as

a

motor

cycle

hopped-

up,

roadster-type

engine.

The

horizontal

arrangement

of

th

e

cylinders

ensures

a

good

coo-

ling

of the

engine

and

balancing

of

the

crank

gear.

Each

cylinder

is

provided

with

an

individual

carburettor.

This

facilitates

the

star-

ting

procedure

and

in

cre

ases

the

engine

power.

Crank

Gear

The

crank

gear

consists

of

t

he

cra

nkshaft

with

the

connecting

rods,

pistons

,

piston

rings,

and

piston

pins,

and

of

the

casing

and

two

cylinders

wit:h

the

heads.

2*

19

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