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84 Goldwing Aspencade, 91 EX500, 98 Ninja 250/17 300 engine swap, 07 EX500
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Discussion Starter · #21 ·

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84 Goldwing Aspencade, 91 EX500, 98 Ninja 250/17 300 engine swap, 07 EX500
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42 Posts
Discussion Starter · #22 · (Edited)
More progress, first off I decided to drill out the upper frame mount, first I used a 3/8", then 7/16" bit, and perfect for the 10mm bolts. After that I bolted the 300 engine, with no issues, and the radiator just to see how it looks.

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Next up was the change out the rear sprocket to 42T(OEM 300 gearing) rather than the 45T( OEM pregen 250 gearing) to keep the speedometer accurate, being I'll be using the 300 dash. I did notice that the speed sensor bracket was broke, so I'll need to replace that.

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Next mocking up the 300 exhaust system, so goodbye center stand, but then I found out the rear exhaust mount lines up perfectly with the right side frame center stand mount. Thank again Kawasaki for being lazy again.

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I decided I'd try to use the 300 airbox, I got it in, but it does make for a few issues I got to figure out, all else fails, I'll go back to the pregen airbox.

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84 Goldwing Aspencade, 91 EX500, 98 Ninja 250/17 300 engine swap, 07 EX500
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42 Posts
Discussion Starter · #23 ·
Just a thought, I'm thinking about going with pod filters, as this will make the whole filter thing easier
 

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84 Goldwing Aspencade, 91 EX500, 98 Ninja 250/17 300 engine swap, 07 EX500
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42 Posts
Discussion Starter · #24 ·
Just a thought, I'm thinking about going with pod filters, as this will make the whole filter thing easier
 

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84 Goldwing Aspencade, 91 EX500, 98 Ninja 250/17 300 engine swap, 07 EX500
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42 Posts
Discussion Starter · #25 · (Edited)



Project HQ300 IT'S ALIVE!!!!! Started it several times before I shot the video, so oil was warmed up, and flowing, so don't get on me about reving a cold engine. Also found out the neutral safety switch was bad, fortunately the one from the dead 98' 250 engine was the same.

Before I started it, it got new NGK iridium plugs, stainless steel hardware for the exhaust manifold, Shell Rotella T6, K&N oil filter, and Vortex stainless steel magnetic drain plug.

I had the run a tap for the new exhaust studs to clean up the threads so the installed easily.

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I'm happy with the results, the engine is good, so is the used fuel pump.

What do you all think so far?
 

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