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krossfire
Member
Username: krossfire
Post Number: 4
Registered: 06-2022
| | Posted on Wednesday, February 21, 2024 - 03:16 pm: | 
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Just bought this twin yesterday, I think it�s a 6 hp although the guy I bought it from said it was an 8 hp, turns over quite stiffly, has compression, so I think it will be a runner when I get a chance to restore it, things I know:
- couple head studs missing
-One of the crankcase covers missing and replaced with steel
-a few carb part missing
-exhaust manifold has one lug broken and has a crack
-primer cups need replaced
-the ignition brushes need work, either springs broken or missing
-water pump has been broken and repaired, May need rebuild or replace
But overall, it seems to be in pretty good condition, I�m surprised how stiff the engine seems, you can turn it over by hand but it turns over pretty stiff, even with the spark plugs out, or the heads off, I thought maybe it was the pistons so I took the heads off and put some oil in, but there is no issue with cylinders or pistons�, no play or slop in the engine at all, it�s almost like it has been rebuilt and never run in�.. Serial number 583
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miro
Senior Member
Username: miro
Post Number: 1246
Registered: 11-2001
| | Posted on Thursday, February 22, 2024 - 09:45 am: |
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I found that the ignition slugs had worn the holders into an egg shape hole. I drilled them out to a round shape and then sweat soldered a solid slug into the hole. I then drilled out the slug for a nice sliding fit for the contact piece of brass. That helped a lot to make the ignition more reliable and consistent.
Di you try pumping in some thin grease into the 3 main bearings? If the engine had been sitting undisturbed for some time the old grease might have caked up
The primer cups look to be original - should be repairable.
The water pump might be repairable but if not, you will likely be able to find a replacement - they are not rare.
Miro
Miro |
krossfire
Member
Username: krossfire
Post Number: 5
Registered: 06-2022
| | Posted on Thursday, February 22, 2024 - 12:42 pm: |
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I suspect it might be very old very hard grease that is causing it to be stiff, when I have time I will clean out the old grease and put some softer grease in and try that. When I have the time, likely next winter I plan to tear this down and do a complete restore, clean it up and paint�. Make it look pretty�. |
bgoss
Senior Member
Username: bgoss
Post Number: 286
Registered: 12-2007
| | Posted on Saturday, February 24, 2024 - 01:54 pm: |
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Great little engine krossfire. Likely right around 1910 or thereabouts. Shouldn't take much to make it snort.
Blair |
krossfire
Member
Username: krossfire
Post Number: 7
Registered: 06-2022
| | Posted on Wednesday, February 28, 2024 - 11:03 am: |
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Still puttering with this old twin looking to see what I have to repair etc, I noticed that there are about three shims between the connecting rods and caps on the lower end connection to the Crankshaft on both cylinders, is this normal? |
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