12
MAINTENANCE and WARRANTY
6.1
WEAR AND TEAR ITEMS
-
spark plugs
-
oil seals
-
air filters
-
chains
-
clutch and clutch parts (check and lube every 4 - 5 hours)
-
fuel lines
-
carburetor jets
-
carburetor gasket
6.2
ISSUE OF WARRANTY
In general, there is no warranty on racing parts of any kind. This is a racing motor, designed for
go-kart racing. Only Aixro GmbH is authorized to issue warranties on XR50 engines and engine
components. Aixro GmbH guarantees the faultless function of these engines when they are
properly used and handled.
The buyer is obligated to document the date of purchase, correct assembly procedures, proper
break-in, accurate number of operating hours, correct handling, and that appropriate steps
against engine damage were taken.
Over-reving and overheating issues (running engine too lean, without water, etc.) is not covered
under any circumstance. Typical signs of over-rev include separation of magneto from flywheel.
Typical signs of running too lean include damage to (or failure of) rotary piston’s needle bearing
due to extreme temperatures.
6.3
WARRANTY PROCEDURE
In the event that a warranty claim is issued, the complete engine must be made available to
Aixro GmbH and/or RENNtech INC. After checking the engine and determining that the cause of
failure falls within the scope of warranty, damaged parts will be repaired or replaced free of
charge.
The reassembly of the XR50 can be performed by RENNtech INC.’s regional representative or at
RENNtech INC.’s location in Lake Park, FL, at the discretion of RENNtech INC.
RENN
TECH
/ AIXRO XR50 ENGINE OPERATOR MANUAL
