Topic: Rattlecan on engine - K0 renovation thread

[jebon]

Anyone tried successfully rattlecan painting an engine? I often hear it's all in the prepping.
Bought this Motip primer and silver heat resistant engine paint. Did the oil pan and so far I think it could work but prepping the cases will be a huge task. Anyone tried it?

[Alan F.]

I have not tried it, but that does look very good.

[Kelly E]

All of the paint on this bike is rattlecan.

[minimo]

That oil pan looks great.
I’d make sure that the primer is rated for high heat also.

I was able to achieve adequate results using Rustoleum’s BBQ-rated rattle can paint (Home Depot) without any primer. Still on after several years, minimal touch up.


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[BenelliSEI]

Do it all the time. Armourcoat 1615 Aluminum engine paint, using their primer. It’s DAYS of prep work for a really good finish.

[Stev-o]

Yes, rattlecan on the head jugs and case, but prefer polishing on the covers...




I use Duplicolor Engine Paint

[Kelly E]

Do it all the time. Armourcoat 1615 Aluminum engine paint, using their primer. It’s DAYS of prep work for a really good finish.

It takes a lot of time depending on what outcome you want. On my 550 I hand filed and smoothed every fin on the motor. I don't keep track of the time, I just turn on the music and work. This is Duplicolor alumiinium engine paint and primer with Seymour MRO black.

[jaytee-nz]

To get a lasting paint job, preparation is the key which means thoroughly de-greasing all parts being painted.
I clean off the worst with engine degreaser, thinners etc and then put everything in the dishwasher using the highest heat setting you can get. For really bad parts put it through twice.
Hardest part is completing the job while the wife is out and then getting rid of the oily smell in the dishwasher.

[Old Moe Toe]

Yes, rattlecan on the head jugs and case, but prefer polishing on the covers...




I use Duplicolor Engine Paint

Steve-O, did you use a primer for the duplicolor?.

[Stev-o]

Yes, rattlecan on the head jugs and case, but prefer polishing on the covers...




I use Duplicolor Engine Paint

Steve-O, did you use a primer for the duplicolor?.

Hey Moe...no primer on this motor as it had paint on it that I sprayed over.

[beemerbum]

Do it all the time. Armourcoat 1615 Aluminum engine paint, using their primer. It’s DAYS of prep work for a really good finish.

+1 on the Duplicolor engine paint. I use lots of acetone for prep

[PeWe]

Both my CB750 got Motip rattle can engine paint.
Motip Engine paint rattle can  "Aluminium". Part no: 04093  EAN code:  8711347040933

Cleaned cases with degreaser-machine dish wash powder in hot water and brushed cases clean.
Used a little sanding on marks were visible on upper case. Cleaned with acetone and sprayed direct.

Cylinder block and head cleaned in similar way.

The paint withstand fuel very well too.

I'm sure many have their favourite they have nearby. It seems to be some models that works fine.

Easy with a quick tune up when needed if scratched. Clean with acetone and cover the area around with paper and spray a few strokes.

[seanbarney41]

The only cylinder head I ever rattle canned failed miserably...held up good for 2 or 3 seasons/10-15,000 miles and then all at once bubbled up and flaked off in large chunks.  Was duplicolor satin black engine enamel.  I have a few theories about the cause...1.used etching primer that was not necessarily high temp.  2. Got caught in unexpected spring rain storm when residual road salt may have still been lurking about.  3. Black engine paint just ain't as good as silver.

[Don R]

 I always just dusted the fins with black barbeque paint after pressure washing at the car wash. Mask with foil and tape. Never had it come off.
 The last one I painted silver got gassed from a leaky carb before it baked on. It came right off.  That was VHT.

[markreimer]

I soda blasted my last set of cases, followed by three hot hot hot water with Dawn soap washes using a nylon scrubbing brush.

Then wiped it down with a tack cloth, followed with an acetone wipe right before paint. I warmed up my cases in the oven before painting too. Nothing crazy, just warm to the touch like if they were out in the sun. It was -20C outside when I painted though, so this wouldn’t be relevant in warm weather. Had the shop heater cranked for hours to get it warm enough inside.

Two coats of PJ1 satin with no primer. Then three sessions in the oven to cure it as per directions.

Paint is hard and looks awesome after many oil, fuel, and brake cleaner spills, water crossings, and branches. Only spot that wore through is from my motocross boots next to the rear brake pedal. That happens on new engines though so it’s expected.










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[Flyin900]

As already noted prep is the most important step and then the correct paint material. I have been using the DupliColor products for a dozen years as shown in these pics with no flaking and no paint issues on a variety of air cooled and water cooled engines. These numbers are for the Canadian paint, so other countries will likey differ slightly with the graphics and possibly the part numbers.

I completely degrease the entire engine and use a variety of degreasers that are solvent based and also the citrus non solvent types. I have used a pressure washer in the distant past and now just rely on the hose with a good adjustable nozzle for pressure. Lots of different brushes even old toothbrushes make excellent cleaner tools for hard to reach areas.
The self etching primer is excellent and compared to other primers that didn't hold up this one has stood the test of time. The aluminum paint is very close to the OEM original Honda colour in its finish.

[markreimer]

As already noted prep is the most important step and then the correct paint material. I have been using the DupliColor products for a dozen years as shown in these pics with no flaking and no paint issues on a variety of air cooled and water cooled engines. These numbers are for the Canadian paint, so other countries will likey differ slightly with the graphics and possibly the part numbers.

I completely degrease the entire engine and use a variety of degreasers that are solvent based and also the citrus non solvent types. I have used a pressure washer in the distant past and now just rely on the hose with a good adjustable nozzle for pressure. Lots of different brushes even old toothbrushes make excellent cleaner tools for hard to reach areas.
The self etching primer is excellent and compared to other primers that didn't hold up this one has stood the test of time. The aluminum paint is very close to the OEM original Honda colour in its finish.

Oh man, I wish I had seen this last year. I searched high and low for a high heat primer in Canada but couldn’t find anything available with documentation that explicitly stated the heat ratings. I have a can of that etching primer on the shelf and decided against it at the last minute. Glad to know it holds up to air cooled cylinder temps!


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[Flyin900]

Hey Mark good to see you again. The primer isn't temp rated at all, yet it has no problem on air cooled engines as noted. I have done 30+ engines easily in the past 10 years with it. I tried a yellow coloured Dulipcolor zinc primer way back when and it was terrible; it flaked off after a short time along with the top coat.

This green Duolicolor primer is expensive compared to the yellow #%^$ at roughly $24.00 cdn. a can vs around $10.00 for the other stuff. You can find it easily at Canadian Tire or PartSource/ same parent company. Napa may also carry it or can order it quickly.

[seanbarney41]

Other than markreimer, these pictures of sparkling, fresh painted engines mean very little.  We need the pictures after 10,000+ miles. 

[markreimer]

Other than markreimer, these pictures of sparkling, fresh painted engines mean very little.  We need the pictures after 10,000+ miles.

Very true.

Mine doesn’t have that many miles, but it’s a trail bike after all.

Here it is after a season of bushwhacking



The worn paint by the brake is on a magnesium cover. Those are particularly hard to get paint to stick to I find


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[PeWe]

Be aware of overspray on cylinder studs when painting the upper case with studs.
Paint on the 2 inner studs will be dissolved by oilflow and clogg the oil orifices ending up in cam, rocker arm, holder failure.

Reported as case on the forum.

[Old Moe Toe]

As already noted prep is the most important step and then the correct paint material. I have been using the DupliColor products for a dozen years as shown in these pics with no flaking and no paint issues on a variety of air cooled and water cooled engines. These numbers are for the Canadian paint, so other countries will likey differ slightly with the graphics and possibly the part numbers.

I completely degrease the entire engine and use a variety of degreasers that are solvent based and also the citrus non solvent types. I have used a pressure washer in the distant past and now just rely on the hose with a good adjustable nozzle for pressure. Lots of different brushes even old toothbrushes make excellent cleaner tools for hard to reach areas.
The self etching primer is excellent and compared to other primers that didn't hold up this one has stood the test of time. The aluminum paint is very close to the OEM original Honda colour in its finish.

Beats me!. I just Duplicolor painted my old #$%*ter of an engine. There was nothing on the can that said to use any etch/primer before spraying the paint on. And I am a stickler for instructions and OCD preparation.
Looks ok now, but I think Seanbarney is correct in his summary " We need the pictures after 10,000+ miles. "
End of the day, this bike is a fun keeper and if the paint falls off and looks like a mad woman's breakfast sooner rather than later then let's just laugh about it and be thankful to be alive.

[Flyin900]

Stay tuned I will post a number once I can dig out the bikes from storage. Lots have 8 to 10 year spans and well beyond 10 K miles.

Reason for the primer is to ensure the paint does adhere well. You maybe fine with straight paint, yet the extra step is worth it IMO. I have 12 + years and close to 40 bikes experience to know what has worked and what didn’t for me.

[Shtonecb500]

 use whatever paint you want, it depends on your prep job if its going to look nice. There is only one clear coat ive used that the heat and gasoline doesnt eat up.

spraymax 2k clear coat, wear a respirator when you use it.

[BenelliSEI]

My K8 was completed 9 years ago and still looks great. IT’s all in the prep.