Watch out Kyle...... this is how bike in a box restorations get started!!! Good Job on the new motor.
Yay thank you! I felt like it had to shroud a cap, I just never considered the coolant overflow reservoir for some reason.Hi Kyle, ah the mystery part in every IKEA box lol. Seriously though that part looks like goes just to the left of the right side crankcase cover. I'm sorry I can't figure out how to post a picture but if you go from the embossed HONDA on the cover it's just below and to the left of the H. Hope that helps a little. I can't find it on any Partzilla diagram either.
Thanks for that. Based on the bikes I've owned over the last 50 years, I can count on one hand the times I've had to add oil between my (not the recommended, I know) 2,000 mile oil change intervals. Granted, I'm old and slow.. So maybe the bikes are being kind to me, so's I don't have to bend over to check the sight glass.As for oil consumption, my riding is lots of sub-100 km/hr winding roads, with occasional highway time and sometimes day-long highway trips. In 20,000 km I have never had to top up the oil. There is a slight loss between changes, but never enough to need adding any.
I can see the engine using oil at those speeds and load-going up on the front sprocket may not work because you are increasing the load on hills-might want to try a different brand of oil in 10/40A quick update on the engine. It's been ~1600 miles and everything feels great, I almost swear this engine has more power than my old one did! I've been keeping a sharp eye on the oil and I've noticed that is has been going down, seemingly at the same rate as the previous engine. When I filled the oil last, I filled it to just at the top mark in the window. It slowly dwindled down and when I checked it today it was closer to the lower line than I felt comfortable with so I topped it off with some GN4. If I didn't notice I could easily see the engine being out of oil by another 1000 miles.
I didn't want to believe it but I guess these engines (or at least the two I got) do burn oil when you run them at high RPM for a long time. My commute each way is about 40 miles of freeway driving 80MPH. Because I live in the mountains, my commute back up is pretty much 100% full throttle at ~70mph, chugging up the roads. I'm looking into upgrading the drive sprocket to a 15-tooth with the hope that reducing the engine RPM will also reduce the oil consumption. In the end I probably just need to get a 500cc or larger so I'm not ringing the thing's neck at cruising speed.
Or I could just not drive so fast......
The block is perfectly clean with no drips under the bike but I'll be sure to do more thorough checking next ride after a thorough cleaning. I'm currently on a 3 week trip so it will be a bit before I can update. Although I didn't check the oil on a perfectly flat ground, I've been checking it in the same location with the same lean angle so that in theory I can still see any difference in oil level over time. That's how I noticed the level going down. When I get back home I will put the bike up on service stands on flat ground to get a more accurate reading for future comparisons.You dont see any puddle of oil where you park the bike everyday? Also try cleaning the entire bottom and sides of the engine meticulously and then look and see after one of your long trips if you see any oil stains on the metal
Also have a second human hold up the bike perfectly upright while you kneel down to check the sight glass just to ensure you are getting an accurate measurement. And check sight-glass after you come back from a long trip and after you have left the bike powered off for 5 minutes.
Or if you happen to be a Female Rider, we could probably bump that figure up to 99%. Sorry, just saying... some of us haven't evolved very far from our animal ancestors.Your best bet to see an accurate reading is to ask another human to assist. For example I will just sit on my bike and ask a stranger at Home Depot parking lot if they can look at the sight glass for me. 90% of people are happy to help.
Especially men I mean. Most men are very happy to be asked for advice or to do a quick favor. Me personally I will even help to change a tire unless I am in a hurry.