Stihl BR600 Blower hard to pull sometimes

cmonstihl

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Jul 19, 2019
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About half way out the cord will abruptly stop and jerk me forward. Unless I go at certain angle upwards, I can get it to fully extend and start. Anyone know why?
 

MowLife

Well-Known Member
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Oct 18, 2018
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Common problem if the valve lash is out of adjustment....that would be the first thing I would check.
 

Fish

Lawn Pro
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Aug 2, 2013
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: Insert feeler gauge
4180 893 6400 (1) between
rocker arm and valve stem.
The feeler gauge must slip through
with a certain resistance.
Inlet valve (2) = 0.10 ± 0.02 mm
452RA082 VA
2
1 3
Exhaust valve (3) = 0.10 ± 0.02 mm
Adjusting valves
Valve clearance is adjusted with the
locknuts (arrows).
To increase valve clearance:
Loosen the nut.
452RA083 VA
To reduce valve clearance:
Tighten the nut.
– Turn engine over several times,
check valve clearance again and
adjust if necessary.
Assemble all parts in the reverse
sequence.
– Thoroughly clean the sealing
faces on the cylinder and cover.
Fit a new gasket
 

bertsmobile1

Lawn Royalty
Joined
Nov 29, 2014
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And you will either have to get the Stihl feeler gauges or grind down some to about 3mm wide to fit under the rockers.
Either Stihl or husqvarba ( or both ) do a kit with adjusting spannars & feeler gauges,
 
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