C Caregiver5354 Forum Newbie Aug 14, 2018 #1 Can anyone tell me what the compression is suppose to be on a B&S single cylinder 21 HP Model 931877 540cc Intek with XRD?
Can anyone tell me what the compression is suppose to be on a B&S single cylinder 21 HP Model 931877 540cc Intek with XRD?
ILENGINE Lawn Royalty Aug 14, 2018 #2 Briggs doesn't list compression readings because of the compression release doesn't allow for an accurate reading. Leakdown testing is the preferred and more accurate test for engine health.
Briggs doesn't list compression readings because of the compression release doesn't allow for an accurate reading. Leakdown testing is the preferred and more accurate test for engine health.
T Tinkerer200 Well-Known Member Aug 15, 2018 #3 You have your model number wrong, it will be 33----. Compression will probably read 90 PSI or so but not really be accurate as said above. Walt Conner
You have your model number wrong, it will be 33----. Compression will probably read 90 PSI or so but not really be accurate as said above. Walt Conner