Briggs Quantum 190cc rebuild?

[skyline0964]

Looking into possibly rebuilding a 190cc quantum engine? Am I wasting my time with these aluminum blocks? I looked online and can't seem to source a shortblock part# or verify if parts will swap over. Can't even seem to find the date code? Engine is off a 2006 SR4. Thought about trying a 7/8in SB and swapping over the crank? Thoughts? Any help would be highly appreciated. Thank you!

Engine
124T02-0203-b1
25mm x 3-5/32" shaft 1/4in keyway

 

[Tiger Small Engine]

Looking into possibly rebuilding a 190cc quantum engine? Am I wasting my time with these aluminum blocks? I looked online and can't seem to source a shortblock part# or verify if parts will swap over. Can't even seem to find the date code? Engine is off a 2006 SR4. Thought about trying a 7/8in SB and swapping over the crank? Thoughts? Any help would be highly appreciated. Thank you!

Engine
124T02-0203-b1
25mm x 3-5/32" shaft 1/4in keyway

Unless you want the experience and expense, it would be a hard no. Try to find a good used one maybe.

 

[StarTech]

Short Block PN 799985. IF still available. Several sites are listing it as NLA. And both my distributors no longer provide accurate price files.

The following site lists the SB but the site may not be up to date. Also list all the engines it fits.

Small Engine Surplus 799985 - Briggs & Stratton Short Block - Part 799985 supersedes 792742 & 696276

Also these are possible complete engine replacement with the correct sized PTO end. Just wont have the 7/16 tapped hole.

 

[nbpt100]

I am curious how you made out? Did you proceed with the engine rebuild or did you repower with an other engine? I am in the same or similar situation right now and if I can get a decent Connecting rod and piston at a good price I would prefer to rebuild but having trouble finding parts at a reasonable price. Inflation and likely supply chain issues are real in this sector of the economy.

 

[Auto Doc's]

Looking into possibly rebuilding a 190cc quantum engine? Am I wasting my time with these aluminum blocks? I looked online and can't seem to source a shortblock part# or verify if parts will swap over. Can't even seem to find the date code? Engine is off a 2006 SR4. Thought about trying a 7/8in SB and swapping over the crank? Thoughts? Any help would be highly appreciated. Thank you!

Engine
124T02-0203-b1
25mm x 3-5/32" shaft 1/4in keyway

How much play is in the piston when installed in the cylinder?

Is the cylinder scored badly?

Parts show to be available, but they are expensive.

Parts Tree:

PartsTree - Home of OEM Parts for Outdoor Power Equipment

Parts lookup and repair parts diagrams for outdoor equipment like Toro mowers, Cub Cadet tractors, Husqvarna chainsaws, Echo trimmers, Briggs engines, etc.

www.partstree.com

 

[nbpt100]

There is no perceivable play in the piston. If I have it apart I usually like to replace the rings on an older engine. If not too expensive.

 

[slomo]

You can grab a ton of cheap pushers off facetrash marketplace. Either use the entire mower or rob the engine off one.

 

[Scrubcadet10]

You can grab a ton of cheap pushers off facetrash marketplace. Either use the entire mower or rob the engine off one.

yep.

 

[nbpt100]

yep.

Yes , but you have to match the original Crank shaft or at least get it close and have the correct blade adaptor. Not impossible but it makes it a little harder than most think.

 

[slomo]

Forget trying to rebuild.