stu_sp1's SP1.5 build - Honda RC51 Forum : RC51 Motorcycle Forums
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post #1 of 68 (permalink) Old 11-27-2015, 09:21 PM Thread Starter
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stu_sp1's SP1.5

I'm about to start on some upgrades on my SP1, so thought it was time I started a thread and posted some pics, as I enjoy looking at other projects as I'm sure many other do too

Bit of background on my SP1-
I came into ownership just over 2 years ago, on approx 15k miles.
It was fairly stock, with the addition of the following:
- Harris carbon hugger
- Harris front mudguard
- Fabri dark tint screen
- Braided brake hoses
- HRC rear master cylinder reservoir
- HRC quick action throttle
- Renthal grips
- Renthal sprockets / DID gold chain
- PC111r
- BMC air filters (although I have yet to have the tank off to check)
- Cut down rear mudguard / tail tidy and smaller indicators, or turn signals as I think you guys know them as .

It had some pretty exotic parts at some point, which the seller removed / sold on before I came along...Including carbon Harris high pipes, Endurance tank, Ohlins front / rear, PVM / AP racing brakes, OZ racing wheels, Brembo master cylinders, etc, etc, etc.

This is her then:


Since I bought her - Charlotte according to the previous owner...I've added:
- Akrapovic carbon / titanium pipes
- ASV levers
- Showa swingarm decals
- Blue aluminium sprocket nuts
- Harris polished rear sets
- Clear Fabri double bubble screen with Joey Dunlop decals
- Stainless tail section countersunk bolts / ally washers
- Custom mock suede seat cover

This is how she looked this autumn:


It's now off the road for winter and have been buying some parts and have some plans including:
- SP2 swingarm conversion inc brand new pivot hardware
- Rear shock spacer (until I can afford an Ohlins!)
- HRC replica lifters
- Titanium chain adjuster bolts
- 15T front sprocket (if one not already there!)
- Anodised red endurance style axle nut locating cups
- SP2 wheels, which need straightening / refurbing (purchased tonight - impulse ebay purchase on night shift!)
- probably add a rear Galfer disc and titanium disc bolts on the newly refurbed rims and fork pinch bolts too

I'll also be checking the valve clearances / filter clean, change brake fluid and get the fairings off for a deep clean ready for spring

Joining this forum looks like it's going to be expensive!
It's already inspired me to buy the HRC lifters and will be after one of the DHC rear under trays when they come available.

I also have some custom Sato style titanium exhaust hangers in the pipeline and am going to get the Akrapovics cut down a bit as they are really long for some reason
SP2 fairing stay is also on the to do list when I find one for a good price (lost out on a Harris one already - it was actually for a fireblade so didn't fit!).

More pics to follow when I get chance to get them off my home pc!

Last edited by stu_sp1; 12-01-2015 at 09:10 PM.
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post #2 of 68 (permalink) Old 12-20-2015, 08:40 PM Thread Starter
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Finally managed to find some pics of the bike in its former glory...









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post #3 of 68 (permalink) Old 12-20-2015, 08:45 PM Thread Starter
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And the day I picked it up:


Few of my mods:






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post #4 of 68 (permalink) Old 12-20-2015, 09:05 PM Thread Starter
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Sp2 swing arm work in progress:

This started off as a very chipped / brake fluid stained and tatty black swingarm (no before pics unfortunately!).
First I stripped off the powder coat using paint stripper, wrapped in cling film and left over a few nights before cleaning off.
Then I rubbed it all over with 180 grit all in 1 direction to give the brushed effect:



It was then rubbed with 320 and 400 grit followed by red, then grey scotch pads, again all in the same direction to give a near factory finish I was looking for. Tonight it was finally de-greased and given a couple of coats of 2k lacquer:


Better pics to follow when it's wet sanded / polished
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post #5 of 68 (permalink) Old 12-21-2015, 04:41 PM
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Very nice. You have been busy, did the powder coat come off easily enough after soaking it in paint stripper?
Why SP 2 wheels?

Karl.
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post #6 of 68 (permalink) Old 12-21-2015, 06:28 PM Thread Starter
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Quote:
Originally Posted by pirks View Post
Very nice. You have been busy, did the powder coat come off easily enough after soaking it in paint stripper?
Why SP 2 wheels?

Karl.
Thanks, it did take a lot of patience to get the finish I wanted!
When stripping the powder coat the trick is to get as much on as possible and leave a couple of days (will depend on the stripper used) and keep wrapped in cling film to hold the moisture in.
Most of it just brushed off but around the welds and other tricky areas needed a bit more time with a toothbrush / wire brush.

SP2 wheels as they're lighter and I prefer the look really. Should probably have just saved longer and bought an SP2!
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post #7 of 68 (permalink) Old 12-21-2015, 07:56 PM Thread Starter
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Finished the swingarm tonight and tried on the HRC style lifters







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post #8 of 68 (permalink) Old 12-21-2015, 08:51 PM
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That looks awesome, good work. What stripper did you use?
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post #9 of 68 (permalink) Old 12-22-2015, 01:10 PM
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Nice work on the swingarm, looks real good. I plan on having something very similar done to both my swingarm and frame. Nice to see others successfully changing the finish.

Have any "before" pics?

Last edited by drifter83; 12-22-2015 at 01:22 PM.
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post #10 of 68 (permalink) Old 12-22-2015, 02:48 PM
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I think you've convinced me to go down the lacquer route, looks great. I've just started removing the black paint from mine with heavy duty paint stripper, coming off easy. Obviously not powder coated after all, doesn't seem to even have a primer.
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