HollywoodMX's xv920/TR1 Cafe super-dupe!

Hey Hollywood!

This thread is so much better than the one on the XV site. SO many more photos.

Any motor updates?

Cheers!

Hellgate
 
XVRacer said:
Hey Hollywood!

This thread is so much better than the one on the XV site. SO many more photos.

Any motor updates?

Cheers!

Hellgate

This thread will step up when the motor starts coming into being, I think. Edge of the seat stuff!

(XVRacer, your nick sounds suggestive. Have you built any XVs? Do tell)

M.
 
I do. Here's my '82 XV1100R. It has a hybrid XV/XVS engine and many other goodies.
 

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Cuba Libre said:
This thread will step up when the motor starts coming into being, I think. Edge of the seat stuff!

(XVRacer, your nick sounds suggestive. Have you built any XVs? Do tell)

M.
Ya sorry guys. I hit 240 hours in October and travelling so I'm beat. November isnt looking much better. I want to sand blast the cylinders before I finish the blue printing. Which I hope to do Tuesday as its a holiday.
 
Cleaned the heads and cylinders and removed the fin rubbers. (There is a lot!). Spayed steel parts with product the protects from rusting and drys to the touch because I didn't want to use oil near what I'm painting.

Mildly ported the heads. Probly a waste of 2 hrs for hardly any hp gains..lol.

Now all set for paint. I have por engine paint to try out in this build. I higher expectations over the standard engine rattle can but we will see. The plan to paint them is this weekend.
 

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I took a break but started at it again. Painting the engine bits.

Xmas holidays I will have time to make more progress. The rest of the engine is cleaned up and painted too just some imperfections to fix. So assembly is next after the paint drys.
 

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Not sure how but the engine fell off the stand while drying.. clutch side.

Looks like I need a new cover and a new oil pickup at minimum.
 
Damn, sorry to hear about the setback with the engine. Hope you can get it straitened out without too much time and effort.
 
rundown said:
Damn, sorry to hear about the setback with the engine. Hope you can get it straitened out without too much time and effort.
Ya I inspected further and the clutch cover is all that is damaged. What I thought was the oil pickup was an oil sensor cover that I can hammer back out. The sensor was unscathed.
 
I won't lie.. I have been lazy. I did do a mold check of the combustion chamber to test out clearance with the custom pistons. It gave me some good assurances so far for valve clearance. Next test is with the cams to see what the space is with the valves moving.

Rest time over as this weekend I'm at it again.
 

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Valve train reassembled. Stage 3 cams comparison with stock. Big difference! I actually like the stage 3 better than the 4 and 5 because 3 had a much longer duration with obviously less lift. In the end a better race street combination.
 

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Been struggling the past 2 weekends on the wrist pins. Currently working with arias to sort out. Also I cc'd the dome again for higher accuracy. This is part of the blue printing process. So far everything is to spec. I really want to the action to pick up on this build but I need the finish with the engine.

Also fixed up the new used clutch cover.
 

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Tim said:
Incredible stuff - nice to be able to follow along step by step.
Ya to be honest it was a big worry that the valves could end up hitting the new pistons and the pistons actually being the right compression with both upper and lower gaskets. With this last clay sample it looks to be right to arias spec which is very positive news.

Lessons learned. I don't think building a race engine that is not mainstream is worth it though. Too much fiddling around to get custom things right and too much money.
 
HollywoodMX said:
Ya to be honest it was a big worry that the valves could end up hitting the new pistons and the pistons actually being the right compression with both upper and lower gaskets. With this last clay sample it looks to be right to arias spec which is very positive news.

Lessons learned. I don't think building a race engine that is not mainstream is worth it though. Too much fiddling around to get custom things right and too much money.

I agree but it's still damn fun to try and squeeze out power from any powerplant. You're doing it right and it's fun to follow.
 
Ok new wrist pins are here and this weekend is a long weekend for us Canadians so should be some good progress on the bike.

I have had a few problems with my custom pistons with arias but their customer service is pretty sweet. They air mailed me the wrist pins from usa to Canada in 1 day so I would have them this long weekend.
 
Pay attention to pic 3. The best way to install a piston. Piston and rod pin and one clip installed prior to dropping in the cylinder. Add generous amounts of assembly grease.
 

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