Perkins4107/Mitchell 23

[Bluefishboat]

Ihave an elderly Perkins 4107 in my Mitchell23, The engine runs fine up to approx 2000rpm then knocks badly!!, have reconned injectors, but still knocking. Compression test shows low compression (about 140psi on no2cylinder.
Any advice on whether spares ie pistons, rings & liners, valves etc etc etc are still available for me to do a full rebuild, or does any body sell recon 4107's (or 4108's).
Failing that what new engine would anyone suggest suggest replacing the old perkins with, with as little alteration as poss to shaft etc.
Ta

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[chippie]

An engine reconditioner should be able to source rings to fit and possibly some other parts.

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[mtb]

Spares should be easy try ASAP for service parts and any recon shop for the rest. I used to sevice these when they were fitted in stuff like compressors . The engine is basicaly the same as a 4108 things like the head bolts are smaller but nout to fret over so if you see a 4108 it should (I say should ! ) be ok
Quite often they are advertised normaly faily cheap .

Cheers
Mick

<hr width=100% size=1>I need 100 x 4" boat nails, and 100ft of 2"x9" quality larch any one got either tell me

 

[mtb]

In the Free Ads today Perkins 2.1 inboard engine . Bishopstotford 01279755508.

on the same page

marinisation parts for 4107/8 exhaust manifold heat exchanger and oil cooler peterborough 01733370107


There's even some mid 30ft boats quite cheap ....


cheers
Mick

<hr width=100% size=1>Danbrit is for sale I'm spending all my time working on her with no play best offer's please !!

 

[Bluefishboat]

Thanks for the info, will get on the phone to them in just a min, thanks again,

Andy

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[tynesman]

There is a company called Tolley Marine in cheshire I think,they re-build Perkins engines and sell complete units,I have twin 4108 engines and they can get all parts.
They also attend most boat jumbles, are there any in your area!
Also agree asap supplies are good also Lancing marine may help
My Perkins are original 28 years old and still going well
Good luck

Tynesman

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