03 ST1300 engine rebuild

SupraSabre · Aug 20, 2014

Good job!

You have gone where most in this forum haven't (including me

Another certified ST1300 Mechanic!

Well, okay, once you put the new one in and it's running, then you get to be a Certified ST1300 Mechanic!

That's under the thoughts that most can pull them apart, getting them back together & running is a whole new level!

970mike · Aug 20, 2014

BigN8 said:
Out in under 5 hours.

Now that is getting it done!! :bow1:

Did you find another motor yet? If so what year and what miles are on it?

Rekoob · Aug 21, 2014

Nice... that is a sweet looking ST even when apart.

T_C · Aug 21, 2014

BigN8 said:
Out in under 5 hours.

how many beers?

So, is it much easier to change the oil filter this way? or the traditional tilt and aluminum foil method?

BigN8 · Aug 21, 2014

970mike said:
Now that is getting it done!! :bow1:

Did you find another motor yet? If so what year and what miles are on it?

Still looking. Need to save a lil more play $$$.

T_C said:
how many beers?

So, is it much easier to change the oil filter this way? or the traditional tilt and aluminum foil method?

I quit drinking 2 years ago but back then probably 2 cases.

SupraSabre · Aug 22, 2014

Here's a good possibility for you:

http://www.ebay.com/itm/2005-Honda-ST1300-ST-1300-COMPLETE-ENGINE-ST1300P-Motor-Runner-Police-05-/121234691539?pt=Motorcycles_Parts_Accessories&hash=item1c3a2695d3&vxp=mtr

I think I would replace all the seals before installing...

BigN8 · Aug 22, 2014

SupraSabre said:
Here's a good possibility for you:

http://www.ebay.com/itm/2005-Honda-ST1300-ST-1300-COMPLETE-ENGINE-ST1300P-Motor-Runner-Police-05-/121234691539?pt=Motorcycles_Parts_Accessories&hash=item1c3a2695d3&vxp=mtr

I think I would replace all the seals before installing...

No mileage listed. And police bikes usually have high mileage.

Anyone know the difference between 03-07 and 08-up engine?

RandyIdaho · Aug 22, 2014

BigN8 said:
Going to start removing the engine tomorrow evening.

I think replacement with a good used one is the best choice. If you consider a rebuild, be sure of NO CRANKCASE damage. It sounds like it somehow spun a rod bearing?? Short of that, or a broken or jumped timing chain (the 1300 is an interference engine, isn't it?). Depending on how bad the crank journal is beat up, hidden damage could abound... FWIW.

Al Gully · Aug 22, 2014

RandyIdaho said:
I think replacement with a good used one is the best choice.

+1
Then you can disassemble the original engine and take lots of pictures, post them so we can all see what make these reliable engines tick.

RandyIdaho · Aug 22, 2014

Al Gully said:
+1
Then you can disassemble the original engine and take lots of pictures, post them so we can all see what make these reliable engines tick.

Or rather, what can make them stop ticking...

Mandrake · Aug 24, 2014

If the complete heads and cams aren't fragged and the price is right, I might be interested in them. Shoot me a PM with an asking price and pictures when you're ready.

GaryRivers67 · Aug 24, 2014

Have you taken the motor apart yet? Did you find the cause of the piston that hit the spark plug? Hope you had time to work on it and post pictures this weekend.

BigN8 · Aug 24, 2014

Looks like an air box screw had a lil party. But there wasn't any missing and don't remember any others like it. Where else could it be from?

Smallville · Aug 24, 2014

Good to know it was not due to a part failure.

970mike · Aug 24, 2014

BigN8 said:
Looks like an air box screw had a lil party. But there wasn't any missing and don't remember any others like it. Where else could it be from?

Heck that will buff right out!!

Al Gully · Aug 25, 2014

Holy Crow,
Someone dropped something metallic down the intake manifold or down the spark plug hole.

ChucksKLRST · Aug 25, 2014

I bet, now that the debris is removed and as long as there is no hole in the piston, the bike will run just fine after you put it back together again.

SupraSabre · Aug 25, 2014

I wonder if that knock started right after someone got thru working on it?

4:

BakerBoy · Aug 25, 2014

That's painful to look at! I speculate that the intake valves do not open enough to allow a screw like that through, unless it comes through partially, then gets broken off by the piston, and drops the rest of it through on a later valve opening).

Is the cylinder wall scored? Or any of the valve seats dinged up? If yes, it won't run well (but would run).

BigN8 · Aug 25, 2014

The cylinder wall looks fine. But an intake valve is bent and the head is trashed. If I can figure out the rod bearing size. I'm going to order a good used piston with rod and a complete head assembly. I can't believe it didn't bend the rod.

03 ST1300 engine rebuild

SupraSabre

48 Years of SoCal Lane Splitting/Commuting-Retired

970mike

Mike Brown

Rekoob

T_C

BigN8

SupraSabre

48 Years of SoCal Lane Splitting/Commuting-Retired

BigN8

RandyIdaho

Al Gully

RandyIdaho

Mandrake

GaryRivers67

Gary Rivers

BigN8

Attachments

Smallville

Scott

970mike

Mike Brown

Al Gully

ChucksKLRST

Team Colorado

SupraSabre

48 Years of SoCal Lane Splitting/Commuting-Retired

BakerBoy

It's all small stuff.

BigN8

Attachments