honda

[Luffydog]

i think it is a gvc190.. i had one in the shop for a service. wierd engine. if u was to take a square and cut it at a 45 degree angle this is what this engine looks like. has anyone been into one of these yet? looks like a night mare from the start. trying to get a junk one donated to me for science.....

[bgsengine]

Yup - thats how they build those hondas - no head to remove - valve service requires complete engine tear-down to get valves out there's lots of them out there and has been for a number of years now

[Skywatcher]

Hi Luffy

Although the crankcase halves join on the diagonal, all the bolts and alignment dowels are parallel to the crankshaft. The hardest part about getting these engines apart is separating the sealant that holds the crankcase halves together. Once you're inside, there's almost nothing to them, just the crankshaft, cam belt and governor. Everything else is up in the top of the cylinder. If one of these engines comes in on a lawn mower and has zero compression, check for a bent valve cover from hitting a tree etc. If the cover gets bent in too far, rocker can't move all the way so valve doesn't close.

With the valves being parallel to the cylinder, if a valve gets stuck, the piston just pushes it back towards the seat. If the cam gear gets out of time, you'll get a broken rocker and not a broken valve or piston. If memory serves me correctly, the cam belt is supposed to be changed every 400 hours of engine run time. I'm not sure what the life expectancy is for these engines, I've heard anything from 400 to 1,600 hours, depends who you talk to. All the best,

Sky

[Luffydog]

we dont see alot of hondas here much. if i have seen them its been awhile or my memory is shot. glad the other tech works on the smaller stuff. honda stands for- hunk of nothing dumb a$$ ..... that what my ole pappy always told me ....