Author Topic: New Rescue: 1987 Quadracer LT500R!! (Read 3296 times)

Rider414 · « **Reply #50 on:** July 06, 2013, 11:30:46 am »

Quote from: Dezsled on July 06, 2013, 10:33:18 am

Restored already ? Man that was fast !

Was not a restoration, just a rescue and repair. It did not need alot of work at all (knock on wood) and ran great this weekend.

Rider414 · « **Reply #51 on:** August 06, 2013, 08:18:30 pm »

Update:

This zilla's top end is pretty milked out. Suppose to be the original stock bore. It runs well and starts easy. I am almost afraid to tear it apart. I am also afraid of this piston or thrust washer grenading and causing a bigger mess!!

Anyway - I bought a small reed top end of PCS. I sent it to HPR today for a bore, squish, and o-ring job. Why I didn't send the 87 jug on it, I can't answer that. I feel like its wrong to put this small reed top end on a 87 but it goes with the theme of this quad. Stock "torquey" reliable play/trail quad.

Rider414 · « **Reply #52 on:** September 01, 2013, 09:35:37 am »

Finally decided to tear the top end down on the Rescue 87 Zilla. Sometimes that's a hard decision to make on a running machine. I knew it had LOW compression but it started and ran pretty good.

Boy am I glad I tore it down. This thing was so close to going BOOM.

I was told this was a original bore machine. False - this piston was 86.50 and is made by Art.

This piston had a major skirt crack on both sides. This was going to go BOOM real soon.

Crack on the other side

The piston pin clip on one side was missing. I believe this is what caused this damage and then either ground up or shot out the exhaust.

Rod and crank appear to be in good shape. I pulled the mag side cover to feel for bearing looseness and found it to be ok. Big end of the Rod was also ok. Whewwwww!! I should be getting my small reed topend from Jerry soon so I can get it ready for the dunes in October

Got around to fixing the worn out steering bushing too.

The workshop and my sanctuary

Nopick · « **Reply #53 on:** September 01, 2013, 11:05:21 am »

Nice. Aren't you glad you didn't start it again? Is that a cast piston? Kind of looks like it.

Buckeye513 · « **Reply #54 on:** September 01, 2013, 11:08:58 am »

Good thing you tore that thing down and didn't continue riding it. Could've grenaded the **** out of that 87 top end.

Rider414 · « **Reply #55 on:** September 01, 2013, 11:19:00 am »

Yeah that's a cast piston. I would say one more top speed run and it would have probably blown and caused alot more issues.

El Diablo · « **Reply #56 on:** September 01, 2013, 02:01:27 pm »

That was close, Matt

FX4Pitrone · « **Reply #57 on:** September 01, 2013, 06:08:47 pm »

Good catch!

Kreidy818 · « **Reply #58 on:** September 01, 2013, 06:34:42 pm »

Wow, talk about lucky!!!! If that was mine not only would it ave blown up I would have shrapnel ass!

Dezsled · « **Reply #59 on:** September 02, 2013, 06:36:54 am »

Go buy some lottery tickets... Caught in the nick of time!

1986QuadRacer · « **Reply #60 on:** September 02, 2013, 01:06:15 pm »

DAMN!!!! NICE SAVE.

LT500Kid · « **Reply #61 on:** September 04, 2013, 08:53:28 pm »

WOW! Those gouges are from the wrist pin pushing out! You dodged a bullet there buddy!!!!!

Kyle T · « **Reply #62 on:** September 05, 2013, 05:42:31 am »

DAMN. That thing was on borrowed time! And the last grain was about to fall through the hourglass!

Hmm. Yours has upper arm zerk fittings in the EXACT same place as mine. No mere coincidence. I wonder if a company did that back in the old days?

ZeroZeroMinusOne · « **Reply #63 on:** September 05, 2013, 06:51:00 am »

That same thing happened to mine. I found an original bore that only had rings replaced. Took it out for the first time and after 5 hours of riding the entire rear piston skirt broke off and locked up the crank. I got so lucky there was no damage done to any other parts.

Nopick · « **Reply #64 on:** September 05, 2013, 07:04:41 am »

Huh. That sounds familiar!

Kyle T · « **Reply #65 on:** September 05, 2013, 07:05:36 am »

Jesus!

ZeroZeroMinusOne · « **Reply #66 on:** September 05, 2013, 07:06:29 am »

EXACTLY WHAT MINE LOOKED LIKE!!!!!

ZeroZeroMinusOne · « **Reply #67 on:** September 05, 2013, 07:31:01 am »

Buckeye513 · « **Reply #68 on:** September 05, 2013, 07:51:51 am »

Were those cast pistons?

Nopick · « **Reply #69 on:** September 05, 2013, 07:55:36 am »

Yes. Mine was the original oem piston. It had never been rebuilt.

ZeroZeroMinusOne · « **Reply #70 on:** September 05, 2013, 08:11:59 am »

Quote from: Buckeye513 on September 05, 2013, 07:51:51 am

Were those cast pistons?

Yes sir

Rider414 · « **Reply #71 on:** September 16, 2013, 03:45:49 pm »

SO FRESH SO CLEAN CLEAN

Spec: 529cc Small Reed 500 Top End Cleaned up by HPR
88.50 Bore w/ Wiseco Piston
Rechambered O-Ring Head
New Studs in the Cylinder
Billet Thrust Washers and RM Bearing
Stock Porting
Plumb and Square!!

Just waiting for some O-Rings and Ill be putting this Small Reed project together on the 87 Rescue Project. I will be going to the dunes in a few weeks so I am curious how this little torque monster will compare to the wild child 87 HPR Ported / Q Piped Zilla I have. Should be fun!

Rider414 · « **Reply #72 on:** September 16, 2013, 03:47:16 pm »

Thank you PCS and Cwrobec for the Parts and Pieces for this build.

Buckeye513 · « **Reply #73 on:** September 16, 2013, 05:09:07 pm »

Post a picture of your o ring and head chamber I'm planning on sending mine to Jerry in the next month or two.

MotorGeek - Jerry Hall · « **Reply #74 on:** September 16, 2013, 08:00:45 pm »

Quote from: Rider414 on September 16, 2013, 03:45:49 pm

SO FRESH SO CLEAN CLEAN

Spec: 529cc Small Reed 500 Top End Cleaned up by HPR
88.50 Bore w/ Wiseco Piston
Rechambered O-Ring Head
New Studs in the Cylinder
Billet Thrust Washers and RM Bearing
Stock Porting
Plumb and Square!!

Just waiting for some O-Rings and Ill be putting this Small Reed project together on the 87 Rescue Project. I will be going to the dunes in a few weeks so I am curious how this little torque monster will compare to the wild child 87 HPR Ported / Q Piped Zilla I have. Should be fun!

I shipped o-rings. They should have been with the other parts and gaskets.

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Author Topic: New Rescue: 1987 Quadracer LT500R!! (Read 3296 times)

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