2008 engine web,additional bolts-stronger engine cases ? - Kawasaki KLR 650 Forum
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post #1 of 6 Old 02-18-2019, 08:17 PM Thread Starter
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2008 engine web,additional bolts-stronger engine cases ?

Is there a particular reason the engine case webbing and additional bolts were added to the Gen 2 engines ? (guessing to strengthen the cases) but was there a problem as to why this was done ? Iíve heard of many of the first gen with high mileage - opinions,facts please.
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post #2 of 6 Old 02-19-2019, 05:06 AM
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You've apparently done some meticulous research on KLR650s, rodent64!

What's your primary source(s) of detailed information? (Just curious.)

Further (still curious!), what factor(s) convinced you to some day acquire a KLR650?

Here's hoping you'll spend many happy and safe miles on your future KLR650.

(Sorry, I have no answer to your question, more knowledgeable inmates will respond! )
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post #3 of 6 Old 02-19-2019, 02:18 PM
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As I understand from Tom Schmitz "Joes Crankcase", the extra internal webs & 2 bolts were added for the 1989 Gen1 models & up.

My suggestion for as to 'why', might be to reduce the sloshing around of hot engine oil in the sump on rougher routes. Reduce the Windage of the oil around the rotating parts.

OH DANG! Didn't that reduce the splash lubrication to the Upper Balancer Bearings?

Is this the how & why that my 1987 was able to survive for 63,944 miles with a machining chip restricting part of the oil pipe oil flow?

pdwestman
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post #4 of 6 Old 02-19-2019, 03:24 PM
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Quote:
Originally Posted by rodent64 View Post
Is there a particular reason the engine case webbing and additional bolts were added to the Gen 2 engines ? (guessing to strengthen the cases) but was there a problem as to why this was done ? Iíve heard of many of the first gen with high mileage - opinions,facts please.
Why? who knows. When? I think it was an early Gen1 thing as Paul mentioned. ....there are no statistically significant reports of problems related to the early engines in this regard so I will say that you should disregard this as an item of concern. There ARE things you should concern yourself with when it comes to pre-1996 engines such as the multi-pce balancer sprockets, countershaft sprocket retention system and thinner cylinders though none are a deal breaker IMO (unless the countershaft sprocket is worn)



Dave
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post #5 of 6 Old 02-19-2019, 09:18 PM Thread Starter
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Quote:
Originally Posted by Damocles View Post
You've apparently done some meticulous research on KLR650s, rodent64!

What's your primary source(s) of detailed information? (Just curious.)

Further (still curious!), what factor(s) convinced you to some day acquire a KLR650?

Here's hoping you'll spend many happy and safe miles on your future KLR650.

(Sorry, I have no answer to your question, more knowledgeable inmates will respond! )
I seen this in the Gen 2 info Mr. Schmitz posted. I have owned 30 MCs. I just canít do without a bike. A long time ago I worked as a mechanic. I was certified in std. transmission, transaxle and rear differential, later air conditioning and lastly on engine controls, EFI,and drivability. After too many yrs of that ,I started building machinery and robotics untill I retired. The machinery and robotics I built, I also designed. Having learned that after so many hrs, stress,cycles, heat on certain parts may wear sooner than I wanted. I pay attention to detail. Being a gear head I enjoy study, modifications,upgrades, and just canít leave things alone. Why a KLR ? I still have a late model road bike, but after retiring and relocating there are many many miles of unimproved ,gravel roads some barely a trail within 5minutes from home. Having many medical issues, and being old, I need to enjoy while I can.
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post #6 of 6 Old 02-20-2019, 05:10 AM
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Welcome to KLRdom, rodent64!

(I, too, become more familiar with medical issues and growing old, daily!)
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