Radne Raket 120 Manuel d'utilisateur télécharger pdf (Page 9)

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16 Raket 95 Manual - English Raket 95 Manual - English 17

modication whatsoever is allowed. The

crankcase halves should both be labelled

with RAKET.

The sealing rings are “open to choice”, in

other words they may be exchanged for

any other factory make of your choosing

under the condition that the model and

the dimensions are kept the same. On

both sides there should be 17x28x7 with

sealing lip as well as dust sealing lip.

Original sealing rings have a sealing lip

that is Teon coated.

The ball-bearings move on the crank-

shaft but are press tted in the crankcase

and are original 6203 TN 9C3. It is not

permitted to change the bearings’ tting or

placement.

2. Crankshaft

The crankshaft may not be altered in any

way. For instance it is not permitted to

balance the crankshaft by removing or

adding material. The same applies to the

connecting rod, in other words no altera-

tion of any kind is allowed.

The needle roller bearings at either end

of the connecting rod are open to choice

with regards to factory make as long as

the same model is used. This should be

needle roller bearings in a steel basket.

3. Cylinder

8. Product description for ho-

mologation purposes

Raket 95 will be homologated in those

countries where it receives approval from

the local Automobile Sport Federations.

This product description may not be

used as a supporting document during

technical control unless the appropriate

Automobile Sport Federation’s stamp of

approval exists.

The main principle involved is that abso-

lutely no changes or modications may

occur. The engines should be “out of the

box”, in other words exactly as they are

delivered. Below follow some clarica-

tions.

1. Crankcase

The crankcase should have the same

design as shown in the picture.

The measurements that are of decisive

importance are those relating to the part

of the crankcase that exactly encloses the

crankshaft. In this matter absolutely no

The cylinder should be completely original

and absolutely no modication is allowed.

For instance it is not permitted to smooth

out the edges of the transfer ports.

The cylinder should be labelled MAHLE

56 ZK3 and display Radne Motor’s logo

and article number 35085. No other labels

are permitted.

Exception:

If a thread in the cylinder were to be dam-

aged, for instance the spark plug thread,

then it is permitted to make the repair

with a thread kit of the Heli Coil variety.

PLEASE NOTE! It must be the same

thread as the original.

4. Spark plug

The original spark plug is NGK BPM8Y,

but it may be exchanged for another

equivalent factory make. The diameter

of the thread and the thread length, 14x

9.5 mm, must always be the same as the

original.

5. Piston

You may not change to another factory

make of piston and it is very unlikely that

you will come across any pirate versions

of pistons.

The piston should be labelled on the top

with R 35087.

Piston pins, piston pin locks and piston

rings must be original.

On the top of the piston there is an arrow

indicating which side of the piston should

be facing the exhaust port.

6. Carburettor

The carburettor is a Tillotson HS 319 A

carburettor. Absolutely no modications

whatsoever are permitted. The venturi

diameter should be 17.7 mm and the

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