My end of winter engine rebuild/suspension upgrade project - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 79 (permalink) Old 03-06-2016, 07:41 PM Thread Starter
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My end of winter engine rebuild/suspension upgrade project

Hey everybody.

I decided to take my 2005 out of action and do a piston upsize to + 2mm over and 12.3:1 compression in addition to a 20 mm Ohlins front suspension kit, an Ohlins rear shock unit
AND as long as its down, I will send my heads off to Hord Power for a complete port and polish job to round it all off.
Allong the way I will get rid of that nasty stock rear tail and put a pimpBike tail kit in with LED lights.

Weeeeee....., thats gonna hurt !!!

Pics to follow as I tear it down -- mod it ---- and put er all back together with a PCV fuelie and a Dyno or two to finish her off.

So far to start the day I made a custom tool for the swing arm/rear engine support shaft removal ( I have made many custom tools for bikes so don't worry about this part)

The Bike is on a stand for initial tearing down of body, front forks for deliver to Kyle racing, misc wires, tubes, hoses, liquids, nuts/ bolts, sweat and anger along the way to get to the engine.

Pics today after about 3 hours work time -
Down to almost ready for front tube removal
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post #2 of 79 (permalink) Old 03-06-2016, 10:04 PM Thread Starter
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Update

Decided to keep working (I'm a gluten for punishment) and remove the forks, so they are ready to go to Kyle now.

See pics so far
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post #3 of 79 (permalink) Old 03-07-2016, 10:07 PM Thread Starter
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Update to motor work

Well tonight I went crazy fast and got the engine on the floor of my dining room.

All so far looks clean and in great condition.

After about 3 hours work the engine is out and ready for disassembly

See photos
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post #4 of 79 (permalink) Old 03-09-2016, 09:20 AM
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busy busy busy! keep us posted!
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post #5 of 79 (permalink) Old 03-09-2016, 01:13 PM
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Like the quick progress.
Can you keep us updated on costs as you go along? I'd like to know what it will cost if I decide to do some similar work.

Later,
Kent Larson in Minnesota
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post #6 of 79 (permalink) Old 03-09-2016, 04:18 PM
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This is the easy bit!
I love the tear-down, you never hurt your back hauling the lump out, but it always hurts putting it back in- no idea why; I use a lovely little hydraulic crane-type lift designed to hoist small adults/large children with mobility difficulties- it works perfectly and disassembles for easy storage.

No cam upgrade?
Which pistons are you planning to use?

It's not falling off, it's an upgrade opportunity
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post #7 of 79 (permalink) Old 03-10-2016, 08:50 PM Thread Starter
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Around 5k
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post #8 of 79 (permalink) Old 03-10-2016, 08:53 PM Thread Starter
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No cam upgrade, doing a custom porting that opens up the intake instead.

Too many stories about the cam upgrades being the worst of any upgrade for integrity and long lasting reliability so I decided to work around them with a couple tricks.

I know it will hurt me for a few horses but not worried about that
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post #9 of 79 (permalink) Old 03-10-2016, 09:08 PM Thread Starter
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Had a real busy work week so no new pictures at the moment,
but have the cases almost ready to split then will take a few and post them up.

By Monday the upper case will be at the machinist. Found a local racing motor machinist that does great work and landed a spot inline with him so I don't have to wait but 1 week for the work to be done.

The heads are already in Ohio waiting in line (5 weeks) for my custom port/polish job

YeHAW !!

2 more pics during take down included
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post #10 of 79 (permalink) Old 03-11-2016, 08:24 PM Thread Starter
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Quote:
Originally Posted by Tony.mon View Post
This is the easy bit!
I love the tear-down, you never hurt your back hauling the lump out, but it always hurts putting it back in- no idea why; I use a lovely little hydraulic crane-type lift designed to hoist small adults/large children with mobility difficulties- it works perfectly and disassembles for easy storage.

No cam upgrade?
Which pistons are you planning to use?
JE pistons purchased here is a pic
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