26 QD134-15
7. CAR SERVICING
7.1 FILTER SERVICING
Engine Oil Change - Radical recommends changing engine oil every 6 hours.
To do this remove the large oil pipe from the bottom of the oil tank, located in the
right-side pod, underneath the engine cover. There will be a small amount of oil
left in the engine, to drain the last bit of oil remove the 17mm sump bung on the
side of the sump pan. It is recommended that this is fitted with a new crush
washer and torqued back up to 17Nm, make sure it is Lockwired around the
unused oil pressure switch.
Engine Oil Filter Change - When the oil is changed, we recommend
changing the oil filter at the same time to comply with our engine warranty
conditions. Remove and discard the old filter. A thin film of oil should be applied
to the o-ring on the new filter, use the Suzuki oil filter tool to torque the filter to
20Nm. Fill the engine back up with fresh oil to the correct level. A 50-70mm
jubilee clip should be fitted as shown in the picture so it rests against the M6 oil
gallery bung to stop it loosening.
Fuel Filter - The fuel filter should be changed every 40 hours. It is located in the fuel regulator housing,
which is on the left-hand side of the car underneath the engine cover. The unit also houses the pressure sensor
and the regulator itself which is in the centre of the unit. The filter is located on the right of the unit, shown in
the picture. It is secured by a circlip that when removed, the fuel filter can be removed.
Air Filter - The air filter should be inspected and cleaned before each race
Differential Grease Remove one of the filler nipples from the differential, then use a
grease gun to fill the differential with grease. Two pumps from a grease gun is sufficient
for a top up.
7.2 IMPORTANT MAINTENANCE TIPS
Below are some additional tips in order to help with the general running of the vehicle to ensure reliability.
o It is VITAL to check the chain tension after every run. The chain can sometimes slacken off during
extensive running and will therefore require a small amount of tension to be applied by tightening the
rear lower differential mounting nuts.
o When a new chain is fitted, it must be bedded in, and then the tension re-checked and adjusted.
o Along with checking the tension of the chain, it is also important to ensure the chain is well lubricated
with dry chain lube
o The differential on the SR1 should be greased through the grease nipples after every 6 hours of
running
o Always ensure all bodywork is properly fixed when heading out on to circuit
When spanner checking, be sure not to over tighten any of the suspension components as this may restrict
movement of certain parts.
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