Assembling The Autodecompressor; Checking Camshaft - KTM 400 EXC AUS 2011 Repair Manual

301ENGINE - WORK ON THE INDIVIDUAL PARTS
129
300452-10
Assemblinll tile autDdecDmpressor
300453-10
300451-11
- Release and remove autodecompression spring •.
• Info
I
Autodecompression weight. cannot be taken off.
- Insert long flange 0 of the autodecompression spring in the hole, push the
autodecompression spring over bearing bolt. and hook it into autodecompression
weight •.
- Mount autodecompression shaft. in the camshaft.
- Mount new lock ring •.
- Perform a function check.
• The autodecompression spring does not turn the autodecompression shaft back
to the stop:
- Pre-tension the autodecompression spring more or replace it.
- Check the camshaft for damage and wear.
• If there is damage or wear:
- Change the camshaft.
- If the camshaft surface is damaged, check the oil supply of the camshaft
and the rocker arm.
- Measure the cams of the camshaft.
Camshaft - cam height
Exhaust
33.10 ... 33.30 mm (1.3031...
1.311 in)
Camshaft - cam height (Every 450 models)
Intake 33.90 ... 34.10 mm (1.3346 ...
1.3425 in)
Camshaft - cam height (all 400 models)
Intake
Camshaft - cam height (All 530 models)
33.90 ... 34.10 mm (1.3346 ...
1.3425 in)
301ENGINE - WORK ON THE INDIVIDUAL PARTS
129
300452-10
Assemblinll tile autDdecDmpressor
300453-10
300451-11
- Release and remove autodecompression spring •.
• Info
I
Autodecompression weight. cannot be taken off.
- Insert long flange 0 of the autodecompression spring in the hole, push the
autodecompression spring over bearing bolt. and hook it into autodecompression
weight •.
- Mount autodecompression shaft. in the camshaft.
- Mount new lock ring •.
- Perform a function check.
• The autodecompression spring does not turn the autodecompression shaft back
to the stop:
- Pre-tension the autodecompression spring more or replace it.
- Check the camshaft for damage and wear.
• If there is damage or wear:
- Change the camshaft.
- If the camshaft surface is damaged, check the oil supply of the camshaft
and the rocker arm.
- Measure the cams of the camshaft.
Camshaft - cam height
Exhaust
33.10 ... 33.30 mm (1.3031...
1.311 in)
Camshaft - cam height (Every 450 models)
Intake 33.90 ... 34.10 mm (1.3346 ...
1.3425 in)
Camshaft - cam height (all 400 models)
Intake
Camshaft - cam height (All 530 models)
33.90 ... 34.10 mm (1.3346 ...
1.3425 in)