'71 CL350 Project - Chicagoland Sportbikes
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post #1 of 61 (permalink) Old 10-14-2011, 04:29 PM Thread Starter
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'71 CL350 Project

I picked this bike up from Mao a few months ago. He bought it and rode it around for a while before it lost compression on one cylinder. He removed the engine and stopped there. After a few months of hounding him, he finally gave up on it and sold it to me.

I will be doing a full teardown and rebuild of the whole bike, starting with the engine. Work will begin on the chassis once the engine is complete.

The day I brought it home (actually stashed it at my work until I could make room in my garage). It still looks like this now, except sandwiched between some other bikes in my garage:


I began to disassemble the top end to see why it had no compression.

This is what I found:


I think I figured out the compression issue . Mao actually rode it home like this on the one good cylinder. It chewed up the piston but didn't even touch the cylinder walls:
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post #2 of 61 (permalink) Old 10-14-2011, 04:37 PM
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I always wanted one of those older Hondas. I hope you got a good deal from the CamboJew. I'd like to ride that thing around for a day when you're done with it in a few years
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post #3 of 61 (permalink) Old 10-14-2011, 04:43 PM Thread Starter
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The cam and rockers were all pitted (common issue on these bikes) so I bought a couple complete heads on eBay, only to find that they had pitted cams and rockers as well. At least I have two "good" head cores now. I finally found a good used cam and rocker arms so I am proceeding with the top end now. I ordered a set of valves and a complete gasket kit from Sirius Consolidated.

Today I took the valves out of the two good heads to clean them up and send them to the machine shop. I will let the machinist pick whichever he thinks is the better of the pair.

Homemade valve spring compressor:


Also took apart the best looking cam housing that I had to be sure the cam bearing surfaces were good. While I had it apart I polished the tach drive housing, points housing, and valve clearance check plugs. Before and after:


Temporarily reassembled the cam housing to keep the good cam and rockers together in one place until I get the bottom end done and assemble the whole engine. These 350 twins used two different style cams and rockers. I am running the early style because that was the only good set of cam and rockers I could find:


The heads are going out the machine shop next week for a valve job. I hope to start tearing into the bottom end this weekend if I have time. I need to clear off a shelving unit in the garage for this project so everything can stay organized while it's apart.

Last edited by Ryan; 10-14-2011 at 05:05 PM.
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post #4 of 61 (permalink) Old 10-14-2011, 04:46 PM Thread Starter
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Quote:
Originally Posted by suh-c View Post
I always wanted one of those older Hondas. I hope you got a good deal from the CamboJew. I'd like to ride that thing around for a day when you're done with it in a few years
It should be done by spring. Other than pistons, I have all the parts to complete the engine unless something is broken in the bottom end or transmission. The chassis doesn't need much, other than a fork rebuild, new shocks, steering head bearings and cleaning and painting.

I hope to have it road worthy by the AHRMA weekend next June (not to race it, just to use it for transportation around the pits).
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post #5 of 61 (permalink) Old 10-14-2011, 06:57 PM
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I hope you got a good deal from the CamboJew.
i just heard $250 and a hj from ryans mom sounds like a good deal all around.

Even heroes know when to be scared.
..As I shifted into 6th, I forgot every f'in thing she said..
Im a fuel injected suicide machine!
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I'd let him pee in my butt
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post #6 of 61 (permalink) Old 10-15-2011, 03:48 PM
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That piston is fukd up

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As long as their tits are bigger than their dicks, im in.

-"You will meet your destiny on the road of avoidance."

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post #7 of 61 (permalink) Old 10-15-2011, 06:17 PM
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Fuggin' Cambo is the only person I know that can fugg up a Honduh.
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post #8 of 61 (permalink) Old 10-20-2011, 12:18 PM Thread Starter
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I got the rest of the engine apart last night. So far everything in the bottom end and transmission looks good. I still need to thoroughly inspect everything but so far so good...

Started with this:


Ended up with this:


I had to make a socket to get the oil filter housing off. It worked perfect:


I ran out of time last night so I still have to take the crank and all the transmission parts out of the case halves for a close inspection. I will probably do that tonight so I can bring all the parts to work tomorrow for a good cleaning and get some paint on the cases. As long as I don't find any problems, the bottom end should be back together next week.

The cylinders are going out to Micron Engine (ceptor on here) in the next few days for boring and honing. I did find some scoring on the cylinder walls so it is going to need to be bored and use oversized pistons.
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post #9 of 61 (permalink) Old 10-20-2011, 01:01 PM
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In a state where corruption abounds, laws must be very numerous.
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post #10 of 61 (permalink) Old 10-20-2011, 01:09 PM
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Hey Ryan you still using those stands? If not maybe I will come by tonight and check out the project.
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post #11 of 61 (permalink) Old 10-20-2011, 02:59 PM Thread Starter
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No I'm done with the stands. I have them at home. I will probably be home around 7 if you want to stop by. I will probably be out in the garage tomorrow night too.
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post #12 of 61 (permalink) Old 10-28-2011, 01:18 PM Thread Starter
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Got some parts in the mail this week. Cam chain, cam chain slider, and these:



Mikuni VM30's. I don't want to run an airbox and these will work much better with cone filters than the stock CV carbs would.
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post #13 of 61 (permalink) Old 10-28-2011, 01:25 PM
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Plus those filters just look bad ass.

Tom

Quote:
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post #14 of 61 (permalink) Old 10-28-2011, 01:39 PM Thread Starter
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Plus those filters just look bad ass.
I agree. I wanted to eliminate the airbox and all the crap that sits behind the stock side covers so I can have that triangle area of the frame open, which coincidentally, also looks bad ass. It will be kick start only so I can ditch the stock battery that would also normally reside in that area and use a smaller battery under the tail.

I need to talk to Gus about making me a plug for the hole where the starter goes too.
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post #15 of 61 (permalink) Old 10-28-2011, 02:39 PM

 
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I'm there for ya bro.

Gus
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You can pick any two
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I'd love to help but I don't chase parts.
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post #16 of 61 (permalink) Old 10-28-2011, 02:44 PM Thread Starter
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I'm there for ya bro.
Thanks Gus. I'm going to see Nick tonight. I'll give him the case half so you can figure something out to plug the hole.
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post #17 of 61 (permalink) Old 10-28-2011, 02:50 PM
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I wouldn't give Nick half a case man. That sonofabitch has no will power there

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post #18 of 61 (permalink) Old 10-28-2011, 03:01 PM Thread Starter
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Me, Nick, and Jack are staying in a hotel in Rockford tonight. I suspect there will be a case or 2 consumed.
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post #19 of 61 (permalink) Old 10-28-2011, 03:04 PM
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Jeebus. You three clowns will fit right in over there in Rockford

Say hey to the pump hand inn while you're there!


Tom

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post #20 of 61 (permalink) Old 10-28-2011, 04:21 PM Thread Starter
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That picture still cracks me up.
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post #21 of 61 (permalink) Old 10-28-2011, 04:27 PM
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One must ask one's self...what exactly goes on at the Pump Hand Inn?

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post #22 of 61 (permalink) Old 10-30-2011, 06:37 PM

 
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We have a plan I will machine a flat surface on the engine case. then fit a plug with tab for bolting to the case.
Photo's to follow.

Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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post #23 of 61 (permalink) Old 10-31-2011, 08:11 PM

 
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We are going to plug Ryans hole.


Don't laugh Vern.

First we indicate the angle plate SQ.


Then we machine the casting perpendicular to the starters mounting hole.


Next we machine the bolt hole parallel to the mounting face.



With the casting prepped We can start cutting our plug.


Tomorrow I'll fit the plug and spot the bolt hole.

Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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post #24 of 61 (permalink) Old 11-01-2011, 09:39 AM Thread Starter
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Looks awesome so far Gus.

You are breaking your rules and doing this GOOD, CHEAP and FAST.
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post #25 of 61 (permalink) Old 11-01-2011, 12:24 PM

 
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I've always been cheap.

Never easy.

Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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post #26 of 61 (permalink) Old 11-01-2011, 05:19 PM

 
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All good buddy








Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
resurrection is offline  
post #27 of 61 (permalink) Old 11-01-2011, 05:27 PM
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That's really smooth. Nice work Gus.
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post #28 of 61 (permalink) Old 11-01-2011, 05:48 PM Thread Starter
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Perfect, just what I was looking for. Awesome job Gus, and only 2 days after you got the part in your hands .
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post #29 of 61 (permalink) Old 11-01-2011, 06:02 PM
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only 2 days after you got the part in your hands .
Yup. That's no boxtruck.
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post #30 of 61 (permalink) Old 11-01-2011, 06:21 PM

 
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Around here you have to be careful.Two weeks might not be fast enough.

Gus
We offer three kinds of service @ Resurrection
GOOD - CHEAP - FAST
You can pick any two
GOOD service CHEAP won't be FAST
GOOD service FAST won't be CHEAP
FAST service CHEAP won't be GOOD
and cold beer.

I'd love to help but I don't chase parts.
Please contact other forum members and supporters for parts.
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